{"id":1720,"date":"2021-10-29T21:14:48","date_gmt":"2021-10-29T21:14:48","guid":{"rendered":"https:\/\/www.ndhd.co.uk\/site\/?page_id=1720"},"modified":"2025-07-10T12:25:05","modified_gmt":"2025-07-10T12:25:05","slug":"rs4-rs5-b9-3-0t","status":"publish","type":"page","link":"https:\/\/mrctuning.com\/site\/rs4-rs5-b9-3-0t\/","title":{"rendered":"Audi RS4 \/ RS5 B9 2.9L V6 TFSI (DECA)"},"content":{"rendered":"<div class=\"fusion-bg-parallax\" data-bg-align=\"center center\" data-direction=\"down\" data-mute=\"false\" data-opacity=\"100\" data-velocity=\"-0.3\" data-mobile-enabled=\"false\" data-break_parents=\"0\" data-bg-image=\"https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2023\/07\/RS4_3L_B9_ENGINE.jpg\" data-bg-repeat=\"false\" ><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container fusion-parallax-down nonhundred-percent-fullwidth non-hundred-percent-height-scrolling fusion-custom-z-index\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-z-index:0;--awb-padding-bottom:85px;--awb-margin-top:0px;--awb-background-image:url(&quot;https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2023\/07\/RS4_3L_B9_ENGINE.jpg&quot;);--awb-background-size:cover;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:93.6%;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:71px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-1 fusion-sep-none fusion-title-text fusion-title-size-one\" style=\"--awb-text-color:#ffffff;--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;\"><h1 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:82.5;line-height:1.16;\">Audi RS4 \/ RS5 B9 2.9L V6 TFSI (DECA)<\/h1><\/div><div class=\"fusion-text fusion-text-1\"><h5 class=\"fusion-responsive-typography-calculated\" style=\"--fontsize: 22.5; line-height: 1.4;\" data-fontsize=\"22.5\" data-lineheight=\"31.5px\"><span style=\"color: #ffffff;\">AUDI RS4 \/ RS5 B9 (8W) 2017-2019 <span style=\"font-weight: normal;\">ENGINE CODES &#8211; <\/span>DECA<br \/>\n<span style=\"font-weight: normal;\">STOCK POWER &#8211; <\/span>450PS <span style=\"font-weight: normal;\">STOCK TORQUE &#8211; <\/span>600NM<\/span><\/h5>\n<\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-2 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:93.6%;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-section-separator section-separator triangle fusion-section-separator-1\" style=\"--awb-border-top:1px solid var(--awb-color3);--awb-spacer-height:1px;--awb-svg-margin-left:1.92%;--awb-svg-margin-right:1.92%;--awb-svg-margin-left-medium:1.92%;--awb-svg-margin-right-medium:1.92%;--awb-svg-margin-left-small:1.92%;--awb-svg-margin-right-small:1.92%;--awb-icon-color:var(--awb-color1);\"><div class=\"fusion-section-separator-svg\"><div class=\"divider-candy-arrow top\" style=\"bottom:0px;border-bottom-color: var(--awb-color2);\"><\/div><div class=\"divider-candy top\" style=\"top:-21px;border-bottom:1px solid var(--awb-color3);border-left:1px solid var(--awb-color3);\"><\/div><\/div><div class=\"fusion-section-separator-spacer\"><div class=\"fusion-section-separator-spacer-height\"><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n\n<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-3 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:93.6%;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-2 fusion_builder_column_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:3.84%;--awb-spacing-left-medium:3.84%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-image-before-after-wrapper fusion-image-before-after-horizontal type-before-after hover-type-together fusion-image-before-after-wrapper-1\" style=\"--awb-font-size:14px;--awb-bordersize:0px;--awb-accent-color-bg:hsla(var(--awb-color1-h),var(--awb-color1-s),var(--awb-color1-l),calc(var(--awb-color1-a) - 85%));--awb-transition-time:0.5s;\"><div class=\"fusion-image-before-after-element fusion-image-before-after fusion-image-before-after-container fusion-image-before-after-1\" data-offset=\"0.5\" data-orientation=\"horizontal\" data-move-with-handle-only=\"true\" data-click-to-move=\"true\"><img decoding=\"async\" alt=\"Audi RS5 B9 2.9L TFSI ECU remap on the dyno - from MRC the experts in Audi tuning\" class=\"fusion-image-before-after-before\" src=\"https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2025\/02\/Audi-RS5-B9-on-the-dyno-being-remapped.jpg\" width=\"1000\" height=\"749\"><img decoding=\"async\" alt=\"Audi RS4 B9 2.9L TFSI ECU remap on the dyno - from MRC the experts in Audi tuning\" class=\"fusion-image-before-after-after\" src=\"https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2025\/02\/Audi-RS4-B9-on-the-dyno-being-remapped.jpg\" width=\"1000\" height=\"749\"><div class=\"fusion-image-before-after-handle fusion-image-before-after-handle-default\"><span class=\"fusion-image-before-after-left-arrow\"><\/span><span class=\"fusion-image-before-after-right-arrow\"><\/span><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-3 fusion_builder_column_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:3.84%;--awb-spacing-left-medium:3.84%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\" data-scroll-devices=\"small-visibility,medium-visibility,large-visibility\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-reading-box-container reading-box-container-1\" style=\"--awb-title-color:#000000;--awb-margin-top:0px;--awb-margin-bottom:20px;\"><div class=\"reading-box\" style=\"background-color:var(--awb-color2);border-width:1px;border-color:rgba(226,226,226,0);border-left-width:3px;border-left-color:var(--primary_color);border-style:solid;\"><h2>The RS4 and RS5 are powered by a 2.9 TFSI V6 twin-turbo engine making the same power as the previous model (B8) while making more torque (extra 170 Nm) from a smaller displacement engine, resulting in better fuel efficiency and acceleration.<\/h2><div class=\"reading-box-description fusion-reading-box-additional\">The RS4 and RS5 B9 could accelerate from 0 to 100\u00a0km\/h (62\u00a0mph) in 3.9 seconds, and achieve a maximum speed of 280\u00a0km\/h (174\u00a0mph) <\/div><div class=\"reading-box-additional\">\n<hr \/>\n<p>RS 4 Avant and RS5 are available with an 8-speed &#8216;Tiptronic&#8217; automatic transmission, further developments include a new chassis featuring a five-link front and rear suspension coupled to Audi Sport\u2019s Dynamic Ride Control system offering variable damping control. Other options included with a carbon-fibre engine cover and ceramic front brakes.<\/p>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-video fusion-youtube\" style=\"--awb-max-width:600px;--awb-max-height:360px;\"><div class=\"video-shortcode\"><lite-youtube videoid=\"nmcn3coGNTQ\" class=\"landscape\" params=\"wmode=transparent&autoplay=1&amp;enablejsapi=1\" title=\"We start the journey of the Newest Audi RS4 from Stock to Stage 1 Tune and talking about the history of the RS4 and the important role it has played over the last 20 years at MRC Tuning. Then we take the Stock car, get it on the dyno and get some baseline figures then we tune the car to Stage 1 with an Airfilter and MRC Stage 1 Software. Then once we have Stage 1 figures for 99 RON tune we put on MRC Multimap map switching software and flash in a 99 RON + Octane Boost tune.\" data-button-label=\"Play Video\" width=\"600\" height=\"360\" data-thumbnail-size=\"auto\" data-no-cookie=\"on\"><\/lite-youtube><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-4 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:93.6%;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-4 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-section-separator section-separator triangle fusion-section-separator-2\" style=\"--awb-border-top:1px solid var(--awb-color3);--awb-spacer-height:1px;--awb-svg-margin-left:1.92%;--awb-svg-margin-right:1.92%;--awb-svg-margin-left-medium:1.92%;--awb-svg-margin-right-medium:1.92%;--awb-svg-margin-left-small:1.92%;--awb-svg-margin-right-small:1.92%;--awb-icon-color:var(--awb-color1);\"><div class=\"fusion-section-separator-svg\"><div class=\"divider-candy-arrow top\" style=\"bottom:0px;border-bottom-color: var(--awb-color2);\"><\/div><div class=\"divider-candy top\" style=\"top:-21px;border-bottom:1px solid var(--awb-color3);border-left:1px solid var(--awb-color3);\"><\/div><\/div><div class=\"fusion-section-separator-spacer\"><div class=\"fusion-section-separator-spacer-height\"><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n\n<div class=\"fusion-bg-parallax\" data-bg-align=\"center center\" data-direction=\"up\" data-mute=\"false\" data-opacity=\"100\" data-velocity=\"-0.3\" data-mobile-enabled=\"true\" data-break_parents=\"0\" data-bg-image=\"https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2025\/07\/Audi-RS4-B9-Milltek-Exhaust.jpg\" data-bg-repeat=\"false\" ><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-5 fusion-flex-container has-pattern-background has-mask-background fusion-parallax-up nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-top:150px;--awb-background-image:url(&quot;https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2025\/07\/Audi-RS4-B9-Milltek-Exhaust.jpg&quot;);--awb-background-size:cover;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:93.6%;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-5 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-6 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-top:50px;--awb-margin-top:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:93.6%;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-6 fusion_builder_column_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:3.84%;--awb-spacing-left-medium:3.84%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-2 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-bottom:10px;--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:30;line-height:1.2;\"><strong>STAGE 1 PACKAGE DETAILS:<\/strong><\/h2><\/div><div class=\"fusion-separator\" style=\"align-self: flex-start;margin-right:auto;margin-top:10px;margin-bottom:30px;width:100%;max-width:80px;\"><div class=\"fusion-separator-border sep-single sep-solid\" style=\"--awb-height:20px;--awb-amount:20px;--awb-sep-color:#8097ba;border-color:#8097ba;border-top-width:3px;\"><\/div><\/div><div class=\"fusion-text fusion-text-2\"><p><strong>Multimaps are available for this platform &#8211; <\/strong>Experiencing Stock to Stage 1 power for the first time always puts a smile on the customers face, finally the car is tuned to its true potential and feels like it should. Our Stage 1 Audi tuning package for the Audi RS4 \/ RS5 B9 2.9L V6 TFSI (DECA) truly delivers impressive power gains, boosting power output as much as<strong> 15% over stock <\/strong>and<strong> torque by up to 30%.<\/strong><\/p>\n<p>Stage 1 tuning of a car refers to a set of modifications that enhance the vehicle&#8217;s performance, typically without requiring significant changes to its internal components or a lot of downtime. It gains a noticeable increase in power and driving experience without going overboard with complex upgrades.<\/p>\n<p><strong>Here&#8217;s a breakdown of what the MRC Stage 1 Package for the Audi RS4 \/ RS5 B9 2.9L V6 TFSI (DECA) includes:<\/strong><\/p>\n<ul>\n<li><strong>In-house developed MRC ECU Stage 1 Remap<\/strong><\/li>\n<\/ul>\n<p style=\"padding-left: 80px;\">The most common part of Stage 1 tuning is adjusting the car\u2019s Engine Control Unit (ECU), which governs the performance parameter settings like air-fuel mixture, ignition timing, and boost levels. This Stage 1 remap is the culmination of months of dedicated work by our highly skilled engineers at MRC Tuning working on a bespoke tune that will optimize these settings to increase power output, torque, and fuel efficiency without requiring any mechanical changes. This is the most cost-effective and non-invasive method to improve performance whilst staying extremely safe but usually producing more power and torque than our competitors whilst maintaining a safe tune.<\/p>\n<ul>\n<li><strong>Gearbox Tune<\/strong><\/li>\n<\/ul>\n<p style=\"padding-left: 80px;\">Tuning a\u00a0<strong data-start=\"9\" data-end=\"44\">Transmission Control Unit (TCU)<\/strong> refers to modifying the software that controls the automatic transmission in a vehicle. The TCU is responsible for shifting gears, controlling torque delivery, and optimizing the performance of the transmission. Just like with engine tuning (ECU), TCU tuning can enhance driving dynamics, performance, and efficiency. We start with the Audi Performance Gearbox map &#8211; in our opinion the ultimate starting point for driveability, and then we increase torque limits and shiftpoints to cope with the increased power and torque.<\/p>\n<ul>\n<li><strong>Upgraded Air filter<\/strong><\/li>\n<\/ul>\n<p style=\"padding-left: 80px;\">Upgrading to a high-flow air filter or a performance intake system helps the engine get more air, leading to better combustion and more power.<br \/>\nA better intake allows the engine to breathe more freely, improving throttle response and overall performance.<\/p>\n<p><strong>Booking information<\/strong><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>We would require a non refundable deposit of \u00a3150 to secure your booking, and <span style=\"color: var(--awb-text-color); font-family: var(--awb-text-font-family); font-size: var(--awb-font-size); font-style: var(--awb-text-font-style); font-weight: var(--awb-text-font-weight); letter-spacing: var(--awb-letter-spacing); text-align: var(--awb-content-alignment); text-transform: var(--awb-text-transform); background-color: var(--awb-bg-color-hover);\">would require the car to be with us for a couple of hours to carry out the work.<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div><div class=\"fusion-text fusion-text-3\"><p>Please read our <a href=\"#FAQ\">frequently asked questions<\/a> at the bottom of this page to see if it answers any other questions you may have.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-7 fusion_builder_column_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:3.84%;--awb-spacing-left-medium:3.84%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-3 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-bottom:10px;--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:30;line-height:1.2;\"><strong>STAGE 1 GAINS: 500-520ps 750-770nm<\/strong><\/h2><\/div><div ><a class=\"fusion-button button-flat button-xlarge button-custom fusion-button-default button-1 fusion-button-default-span fusion-button-default-type fusion-has-button-gradient\" style=\"--button_accent_color:var(--awb-color1);--button_accent_hover_color:var(--awb-color1);--button_border_hover_color:var(--awb-color1);--button_gradient_top_color:#ea3a00;--button_gradient_bottom_color:#7c0000;--button_gradient_top_color_hover:hsla(var(--awb-color5-h),calc(var(--awb-color5-s) - 5%),calc(var(--awb-color5-l) - 10%),var(--awb-color5-a));--button_gradient_bottom_color_hover:hsla(var(--awb-color5-h),calc(var(--awb-color5-s) - 5%),calc(var(--awb-color5-l) - 10%),var(--awb-color5-a));\" target=\"_self\"><span class=\"fusion-button-text awb-button__text awb-button__text--default\">PRICES FROM &#8211; \u00a31,310.56 INC VAT<\/span><\/a><\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;width:100%;\"><div class=\"fusion-separator-border sep-double\" style=\"--awb-height:20px;--awb-amount:20px;border-color:var(--awb-color3);border-top-width:1px;border-bottom-width:1px;\"><\/div><\/div><div class=\"fusion-title title fusion-title-4 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-bottom:10px;--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:30;line-height:1.2;\"><strong>STAGE 1 DYNO PLOT:<\/strong><\/h2><\/div><div class=\"fusion-image-element \" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-1 hover-type-none\"><a href=\"https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2025\/02\/MRC-B9-RS4-5-STG1-INTAKE.png\" class=\"fusion-lightbox\" data-rel=\"iLightbox[8ad4e7e8fffabcf87e8]\" data-title=\"MRC B9 RS4 5 STG1 INTAKE\" title=\"MRC B9 RS4 5 STG1 INTAKE\"><img decoding=\"async\" width=\"1976\" height=\"1111\" alt=\"MRC B9 RS4 RS5 Stage 1 Plus intake Dyno Plot\" src=\"https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2025\/02\/MRC-B9-RS4-5-STG1-INTAKE.png\" class=\"img-responsive wp-image-3235\" srcset=\"https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2025\/02\/MRC-B9-RS4-5-STG1-INTAKE-200x112.png 200w, https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2025\/02\/MRC-B9-RS4-5-STG1-INTAKE-400x225.png 400w, https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2025\/02\/MRC-B9-RS4-5-STG1-INTAKE-600x337.png 600w, https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2025\/02\/MRC-B9-RS4-5-STG1-INTAKE-800x450.png 800w, https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2025\/02\/MRC-B9-RS4-5-STG1-INTAKE-1200x675.png 1200w, https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2025\/02\/MRC-B9-RS4-5-STG1-INTAKE.png 1976w\" sizes=\"(max-width: 700px) 100vw, 1200px\" \/><\/a><\/span><\/div><div class=\"fusion-title title fusion-title-5 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-bottom:10px;--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:30;line-height:1.2;\"><strong>STAGE 1 DYNO VIDEO:<\/strong><\/h2><\/div><div class=\"fusion-video fusion-youtube\" style=\"--awb-max-width:600px;--awb-max-height:360px;\"><div class=\"video-shortcode\"><lite-youtube videoid=\"k415UbA645A\" class=\"landscape\" params=\"wmode=transparent&autoplay=1&amp;enablejsapi=1\" title=\"Audi B9 RS4 526PS -MRC Stage 1 ECU and TCU +76PS +224NM\" data-button-label=\"Play Video\" width=\"600\" height=\"360\" data-thumbnail-size=\"maxresdefault\" data-no-cookie=\"on\"><\/lite-youtube><\/div><\/div><div class=\"fusion-title title fusion-title-6 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-bottom:10px;--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:30;line-height:1.2;\"><strong>STAGE 1 TUNING VIDEO:<\/strong><\/h2><\/div><div class=\"fusion-video fusion-youtube\" style=\"--awb-max-width:600px;--awb-max-height:360px;\"><div class=\"video-shortcode\"><lite-youtube videoid=\"sZTE9Kzczs4\" class=\"landscape\" params=\"wmode=transparent&autoplay=1&amp;enablejsapi=1\" title=\"Audi B9 RS4 Stage 1 Tuning &amp; Dyno Results | In-Depth Performance Breakdown In this video, we take a comprehensive look at the tuning process and performance potential of the Audi B9 RS4, starting with a baseline dyno run and progressing through Stage 1 tuning. The process highlights not only the power gains but also dives deep into gearbox tuning, data logging, fuel mapping, and essential maintenance practices to maximize reliability.\" data-button-label=\"Play Video\" width=\"600\" height=\"360\" data-thumbnail-size=\"auto\" data-no-cookie=\"on\"><\/lite-youtube><\/div><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-8 fusion_builder_column_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:3.84%;--awb-spacing-left-medium:3.84%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><\/div><\/div><\/div><\/div><div class=\"fusion-bg-parallax\" data-bg-align=\"center center\" data-direction=\"up\" data-mute=\"false\" data-opacity=\"100\" data-velocity=\"-0.3\" data-mobile-enabled=\"true\" data-break_parents=\"0\" data-bg-image=\"https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2025\/02\/Audi-RS4-B9-2-9L-TFSI-Driving.jpg\" data-bg-repeat=\"false\" ><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-7 fusion-flex-container has-pattern-background has-mask-background fusion-parallax-up nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-top:150px;--awb-background-image:url(&quot;https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2025\/02\/Audi-RS4-B9-2-9L-TFSI-Driving.jpg&quot;);--awb-background-size:cover;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:93.6%;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-9 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-8 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:93.6%;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-10 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-section-separator section-separator triangle fusion-section-separator-3\" style=\"--awb-border-top:1px solid var(--awb-color3);--awb-spacer-height:1px;--awb-svg-margin-left:1.92%;--awb-svg-margin-right:1.92%;--awb-svg-margin-left-medium:1.92%;--awb-svg-margin-right-medium:1.92%;--awb-svg-margin-left-small:1.92%;--awb-svg-margin-right-small:1.92%;--awb-icon-color:var(--awb-color1);\"><div class=\"fusion-section-separator-svg\"><div class=\"divider-candy-arrow top\" style=\"bottom:0px;border-bottom-color: var(--awb-color2);\"><\/div><div class=\"divider-candy top\" style=\"top:-21px;border-bottom:1px solid var(--awb-color3);border-left:1px solid var(--awb-color3);\"><\/div><\/div><div class=\"fusion-section-separator-spacer\"><div class=\"fusion-section-separator-spacer-height\"><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-9 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-top:50px;--awb-margin-top:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:93.6%;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-11 fusion_builder_column_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:3.84%;--awb-spacing-left-medium:3.84%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-7 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-bottom:10px;--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:30;line-height:1.2;\"><strong>STAGE 2<\/strong>\u00a0<span style=\"color: #000000;\"><b>PACKAGE DETAILS:<\/b><\/span><\/h2><\/div><div class=\"fusion-text fusion-text-4\"><p>Stage 2 tuning of a car refers to hardware adjustments like upgraded or larger charge coolers, downpipes, or intake\/exhaust modifications. Stage 1 to Stage 2 power will only usually <strong>boost power output by not only 25%<\/strong> but also the <strong>torque figures could increase by nearly 40%<\/strong> which is a noticeable improvement that you can feel.<\/p>\n<p><strong>Here&#8217;s a breakdown of what the MRC Stage 2 Package for the Audi RS4 \/ RS5 B9 2.9L V6 TFSI (DECA) includes:<\/strong><\/p>\n<ul>\n<li><strong>In-house developed MRC ECU Stage 2 Remap<\/strong><\/li>\n<\/ul>\n<p style=\"padding-left: 80px;\">Building on the Stage 1 tuning package of the ECU this Stage 2 remap will take advantage of the extra hardware upgrades with a more bespoke tune that will optimize the power output and torque whilst staying extremely safe.<\/p>\n<ul>\n<li><strong>Gearbox Tune<\/strong><\/li>\n<\/ul>\n<p style=\"padding-left: 80px;\">Tuning a\u00a0<strong data-start=\"9\" data-end=\"44\">Transmission Control Unit (TCU)<\/strong>\u00a0refers to modifying the software that controls the automatic transmission in a vehicle. The TCU is responsible for shifting gears, controlling torque delivery, and optimizing the performance of the transmission. Just like with engine tuning (ECU), TCU tuning can enhance driving dynamics, performance, and efficiency.<\/p>\n<ul>\n<li><strong>Upgraded Air filter<\/strong><\/li>\n<\/ul>\n<p style=\"padding-left: 80px;\">Upgrading to a high-flow air filter or a performance intake system helps the engine get more air, leading to better combustion and more power.<br \/>\nA better intake allows the engine to breathe more freely, improving throttle response and overall performance.<\/p>\n<ul>\n<li><strong>Exhaust downpipe modifications<\/strong><\/li>\n<\/ul>\n<p style=\"padding-left: 80px;\">Removal of secondary elements provide greater increases in horsepower and torque on turbocharged vehicles by allowing exhaust gasses to flow easier as they leave the turbo.<\/p>\n<p style=\"padding-left: 40px;\"><span style=\"text-decoration: underline;\"><strong>Optional upgrades<\/strong><\/span><\/p>\n<ul>\n<li><strong>Optional Charge Cooler<\/strong><\/li>\n<\/ul>\n<p style=\"padding-left: 80px;\">The 2.9L V6 biturbo engine in these models is equipped with an advanced indirect charge air cooling circuit. Unlike conventional systems, the charge air cooling process is not realized by ambient air, but by a separate cooling water circuit. A reduction in the cooling water temperature therefore leads directly to an improved cooling performance of the charge air. This is where the advantages of the Wagner Tuning Upgrade water cooler come into their own &#8211; The newly developed competition racing core of the Wagner Tuning high-performance water cooler increases the radiator volume of the standard water cooler by an impressive 55%. The optimised ratio between the inner and outer cooling surface ensures maximum heat transfer and at the same time guarantees sufficient air flow for adjacent components such as the engine water cooler. In addition, the water coolers are equipped with a thermally conductive anti-corrosion coating that ensures a long-term cooling effect.<\/p>\n<p style=\"padding-left: 80px;\">Upgrading the charge cooler for a larger unit in a turbocharged car enhances performance by improving its ability to reduce the temperature of compressed intake air, resulting in <strong data-start=\"161\" data-end=\"192\">denser air with more oxygen<\/strong> entering the engine. This allows for <strong data-start=\"230\" data-end=\"259\">more efficient combustion<\/strong>, enabling the engine to burn more fuel and generate <strong data-start=\"312\" data-end=\"329\">greater power<\/strong> without increasing the risk of <strong data-start=\"361\" data-end=\"370\">knock<\/strong> (pre-ignition).<\/p>\n<p style=\"padding-left: 80px;\">A more efficient charge cooler also helps <strong data-start=\"458\" data-end=\"487\">maintain consistent power<\/strong> during extended periods of boost or high ambient temperatures by preventing <strong data-start=\"564\" data-end=\"577\">heat soak<\/strong>, ultimately improving <strong data-start=\"600\" data-end=\"665\">throttle response, reliability, and overall engine efficiency<\/strong>.<\/p>\n<ul>\n<li><strong>Optional Full exhaust kit<\/strong><\/li>\n<\/ul>\n<p style=\"padding-left: 80px;\">The full exhaust will provide greater increases in horsepower and torque on turbocharged vehicles by allowing exhaust gasses to flow easier as they leave the turbo and the tune can be increased to take advantage of the extra breathing. The Milltek Sport system we fit has much better flowing middle and back boxes compared to the stock system therefore giving better performance, plus whatever your choice of box configuration the performance figures will be very similar just the noise level you require.<\/p>\n<ul>\n<li><strong>Optional High Pressure Fuel pump (HPFP)<\/strong><\/li>\n<\/ul>\n<p style=\"padding-left: 80px;\">Upgrading the <strong>HPFP<\/strong>\u00a0in a turbocharged car ensures the engine receives <strong data-start=\"74\" data-end=\"113\">sufficient fuel volume and pressure<\/strong> to match the increased air from the turbo, which is critical for maintaining the correct <strong data-start=\"203\" data-end=\"221\">air-fuel ratio<\/strong> under boost. This allows for <strong data-start=\"251\" data-end=\"272\">higher horsepower<\/strong> tuning, <strong data-start=\"281\" data-end=\"309\">prevents lean conditions<\/strong> (which can cause engine knock or damage), and supports <strong data-start=\"365\" data-end=\"385\">larger injectors<\/strong> and <strong data-start=\"390\" data-end=\"413\">higher boost levels<\/strong> safely. In short, it enables the fuel system to <strong data-start=\"462\" data-end=\"498\">keep up with the turbo&#8217;s demands<\/strong>, unlocking the car\u2019s full performance potential.<\/p>\n<ul>\n<li><strong>Optional Intake<\/strong><\/li>\n<\/ul>\n<p style=\"padding-left: 80px;\">Aftermarket intakes often use <strong data-start=\"280\" data-end=\"306\">larger diameter piping and<\/strong>\u00a0<strong data-start=\"308\" data-end=\"326\">smoother bends<\/strong>, to reduce airflow restriction, allowing the turbo to <strong data-start=\"407\" data-end=\"430\">breathe more freely<\/strong>. Better airflow can help the turbo <strong data-start=\"499\" data-end=\"519\">spool up quicker<\/strong>, improving <strong data-start=\"531\" data-end=\"552\">throttle response,<\/strong> whilst improved airflow supports <strong data-start=\"642\" data-end=\"665\">higher boost levels<\/strong> and <strong data-start=\"670\" data-end=\"699\">more efficient combustion<\/strong>, leading to increased <strong data-start=\"722\" data-end=\"747\">horsepower and torque<\/strong> when tuned correctly.<\/p>\n<p><strong>Booking information<\/strong><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>We would require a non refundable deposit of <strong>\u00a31,500<\/strong> to secure parts and booking and for the car to be dropped off and left with us for <strong>2-3 workings days.<\/strong><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div><div class=\"fusion-text fusion-text-5\"><p>Please read our <a href=\"#FAQ\">frequently asked questions<\/a> at the bottom of this page to see if it answers any other questions you may have.<\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-12 fusion_builder_column_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:3.84%;--awb-spacing-left-medium:3.84%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-8 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-bottom:10px;--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:30;line-height:1.2;\"><p><strong>STAGE 2 GAINS: 530-550ps 770-830nm<\/strong><\/p>\n<p><em>Full Stage 2 optional package gains: upto 550-570PS 840-860NM<\/em><\/p><\/h2><\/div><div ><a class=\"fusion-button button-flat button-xlarge button-custom fusion-button-default button-2 fusion-button-default-span fusion-button-default-type fusion-has-button-gradient\" style=\"--button_accent_color:var(--awb-color1);--button_accent_hover_color:var(--awb-color1);--button_border_hover_color:var(--awb-color1);--button_gradient_top_color:#ea3a00;--button_gradient_bottom_color:#7c0000;--button_gradient_top_color_hover:hsla(var(--awb-color5-h),calc(var(--awb-color5-s) - 5%),calc(var(--awb-color5-l) - 10%),var(--awb-color5-a));--button_gradient_bottom_color_hover:hsla(var(--awb-color5-h),calc(var(--awb-color5-s) - 5%),calc(var(--awb-color5-l) - 10%),var(--awb-color5-a));\" target=\"_self\"><span class=\"fusion-button-text awb-button__text awb-button__text--default\">PRICES FROM &#8211; \u00a38,478.65 INC VAT<\/span><\/a><\/div><div class=\"fusion-separator\" style=\"align-self: flex-start;margin-right:auto;margin-top:10px;margin-bottom:30px;width:100%;max-width:80px;\"><div class=\"fusion-separator-border sep-single sep-solid\" style=\"--awb-height:20px;--awb-amount:20px;--awb-sep-color:#8097ba;border-color:#8097ba;border-top-width:3px;\"><\/div><\/div><div class=\"fusion-title title fusion-title-9 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-bottom:10px;--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:30;line-height:1.2;\"><strong>STAGE 2 DYNO PLOT:<\/strong><\/h2><\/div><div class=\"fusion-image-element \" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-2 hover-type-none\"><a href=\"https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2025\/02\/MRC-B9-RS4-5-STG-2.png\" class=\"fusion-lightbox\" data-rel=\"iLightbox[1ccee4e8c956a1bce45]\" data-title=\"MRC B9 RS4 5 STG 2\" title=\"MRC B9 RS4 5 STG 2\"><img decoding=\"async\" width=\"1976\" height=\"1111\" alt=\"MRC B9 RS4 RS5 Stage 2 Dyno Plot\" src=\"https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2025\/02\/MRC-B9-RS4-5-STG-2.png\" class=\"img-responsive wp-image-3236\" srcset=\"https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2025\/02\/MRC-B9-RS4-5-STG-2-200x112.png 200w, https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2025\/02\/MRC-B9-RS4-5-STG-2-400x225.png 400w, https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2025\/02\/MRC-B9-RS4-5-STG-2-600x337.png 600w, https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2025\/02\/MRC-B9-RS4-5-STG-2-800x450.png 800w, https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2025\/02\/MRC-B9-RS4-5-STG-2-1200x675.png 1200w, https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2025\/02\/MRC-B9-RS4-5-STG-2.png 1976w\" sizes=\"(max-width: 700px) 100vw, 1200px\" \/><\/a><\/span><\/div><div class=\"fusion-title title fusion-title-10 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-bottom:10px;--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:30;line-height:1.2;\"><strong>STAGE 2 DYNO VIDEO:<\/strong><\/h2><\/div><div class=\"fusion-video fusion-youtube\" style=\"--awb-max-width:600px;--awb-max-height:360px;\"><div class=\"video-shortcode\"><lite-youtube videoid=\"kSDzMsRJzvY\" class=\"landscape\" params=\"wmode=transparent&autoplay=1&amp;enablejsapi=1\" title=\"Audi B9 RS5 532PS - MRC Stage 2 ECU &amp; TCU +81ps +204nm\" data-button-label=\"Play Video\" width=\"600\" height=\"360\" data-thumbnail-size=\"maxresdefault\" data-no-cookie=\"on\"><\/lite-youtube><\/div><\/div><div class=\"fusion-title title fusion-title-11 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-bottom:10px;--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:30;line-height:1.2;\"><strong>STAGE 2 TUNING VIDEO:<\/strong><\/h2><\/div><div class=\"fusion-video fusion-youtube\" style=\"--awb-max-width:600px;--awb-max-height:360px;\"><div class=\"video-shortcode\"><lite-youtube videoid=\"uJPx3ocWs0s\" class=\"landscape\" params=\"wmode=transparent&autoplay=1&amp;enablejsapi=1\" title=\"Audi RS4 B9 - MRC Tuning Stage 2 Build &amp; Tune | Full Hardware Upgrades, Exhaust Sound &amp; Dyno Results! In this video, we dive into the full Stage 2 transformation of our project car, taking it from an already quick Stage 1 setup to a much more serious performance machine. We walk through every step of the hardware installation, from cooling and intake improvements to fuel delivery and exhaust upgrades.\" data-button-label=\"Play Video\" width=\"600\" height=\"360\" data-thumbnail-size=\"auto\" data-no-cookie=\"on\"><\/lite-youtube><\/div><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-13 fusion_builder_column_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:3.84%;--awb-spacing-left-medium:3.84%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><\/div><\/div><\/div><\/div><div class=\"fusion-bg-parallax\" data-bg-align=\"center center\" data-direction=\"up\" data-mute=\"false\" data-opacity=\"100\" data-velocity=\"-0.3\" data-mobile-enabled=\"true\" data-break_parents=\"0\" data-bg-image=\"https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2025\/02\/Audi-RS4-B9-Interior.jpg\" data-bg-repeat=\"false\" ><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-10 fusion-flex-container has-pattern-background has-mask-background fusion-parallax-up nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-top:150px;--awb-background-image:url(&quot;https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2025\/02\/Audi-RS4-B9-Interior.jpg&quot;);--awb-background-size:cover;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:93.6%;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-14 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-11 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:93.6%;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-15 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-section-separator section-separator triangle fusion-section-separator-4\" style=\"--awb-border-top:5px solid var(--awb-color3);--awb-spacer-height:5px;--awb-svg-margin-left:1.92%;--awb-svg-margin-right:1.92%;--awb-svg-margin-left-medium:1.92%;--awb-svg-margin-right-medium:1.92%;--awb-svg-margin-left-small:1.92%;--awb-svg-margin-right-small:1.92%;--awb-icon-color:var(--awb-color1);--awb-icon-top:-15px;\"><div class=\"fusion-section-separator-svg\"><div class=\"divider-candy-arrow top\" style=\"bottom:5px;border-bottom-color: var(--awb-color2);\"><\/div><div class=\"divider-candy top\" style=\"top:-25px;border-bottom:1px solid var(--awb-color3);border-left:1px solid var(--awb-color3);\"><\/div><\/div><div class=\"fusion-section-separator-spacer\"><div class=\"fusion-section-separator-spacer-height\"><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-12 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-top:50px;--awb-margin-top:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:93.6%;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-16 fusion_builder_column_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:3.84%;--awb-spacing-left-medium:3.84%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-12 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-bottom:10px;--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:30;line-height:1.2;\"><strong>STAGE 3 PACKAGE DETAILS:<\/strong><\/h2><\/div><div class=\"fusion-text fusion-text-6\"><p><strong>Our Stage 3 package is the ultimate tuning package for the\u00a0 Audi RS4 \/ RS5 B9 2.9L V6 TFSI (DECA) this boosts power by up to 55% over stock and torque by 35%<\/strong><\/p>\n<\/div><div class=\"fusion-text fusion-text-7\"><p>Stage 3 tuning of a car refers to hardware adjustments like upgraded or larger charge coolers, downpipes, or intake\/exhaust modifications plus larger turbochargers.<\/p>\n<p><strong>Here&#8217;s a breakdown of what the MRC Stage 3 Package for the Audi RS4 \/ RS5 B9 2.9L V6 TFSI (DECA) includes:<\/strong><\/p>\n<ul>\n<li><strong>In-house developed MRC ECU Stage 3 Remap<\/strong><\/li>\n<\/ul>\n<p style=\"padding-left: 80px;\">Building on the Stage 2 tuning package of the ECU this Stage 3 remap will take advantage of the extra hardware upgrades with a more bespoke tune that will optimize the power output and torque whilst staying extremely safe.<\/p>\n<ul>\n<li><strong>Gearbox Tune<\/strong><\/li>\n<\/ul>\n<p style=\"padding-left: 80px;\">Tuning a\u00a0<strong data-start=\"9\" data-end=\"44\">Transmission Control Unit (TCU)<\/strong>\u00a0refers to modifying the software that controls the automatic transmission in a vehicle. The TCU is responsible for shifting gears, controlling torque delivery, and optimizing the performance of the transmission. Just like with engine tuning (ECU), TCU tuning can enhance driving dynamics, performance, and efficiency.<\/p>\n<ul>\n<li><strong>Upgraded Turbos and Map sensors<\/strong><\/li>\n<\/ul>\n<p style=\"padding-left: 80px;\"><strong><a href=\"https:\/\/tteglobal.com\/audi\/rs4\/b9-2.9-v6-tfsi\/428\/tte720-5147-2.9-tfsi-upgrade-turbochargers\">TTE720 turbochargers<\/a>\u00a0and map sensors.<\/strong><\/p>\n<ul>\n<li><strong>Upgraded Air filter<\/strong><\/li>\n<\/ul>\n<p style=\"padding-left: 80px;\">Upgrading to a high-flow air filter or a performance intake system helps the engine get more air, leading to better combustion and more power.<br \/>\nA better intake allows the engine to breathe more freely, improving throttle response and overall performance.<\/p>\n<ul>\n<li><strong>Exhaust downpipe modifications<\/strong><\/li>\n<\/ul>\n<p style=\"padding-left: 80px;\">Removal of secondary elements provide greater increases in horsepower and torque on turbocharged vehicles by allowing exhaust gasses to flow easier as they leave the turbo.<\/p>\n<ul>\n<li><strong>Charge Cooler<\/strong><\/li>\n<\/ul>\n<p style=\"padding-left: 80px;\">The 2.9L V6 biturbo engine in these models is equipped with an advanced indirect charge air cooling circuit. Unlike conventional systems, the charge air cooling process is not realized by ambient air, but by a separate cooling water circuit. A reduction in the cooling water temperature therefore leads directly to an improved cooling performance of the charge air. This is where the advantages of the Wagner Tuning Upgrade water cooler come into their own &#8211; The newly developed competition racing core of the Wagner Tuning high-performance water cooler increases the radiator volume of the standard water cooler by an impressive 55%. The optimised ratio between the inner and outer cooling surface ensures maximum heat transfer and at the same time guarantees sufficient air flow for adjacent components such as the engine water cooler. In addition, the water coolers are equipped with a thermally conductive anti-corrosion coating that ensures a long-term cooling effect.<\/p>\n<p style=\"padding-left: 80px;\">Upgrading the charge cooler for a larger unit in a turbocharged car enhances performance by improving its ability to reduce the temperature of compressed intake air, resulting in <strong data-start=\"161\" data-end=\"192\">denser air with more oxygen<\/strong> entering the engine. This allows for <strong data-start=\"230\" data-end=\"259\">more efficient combustion<\/strong>, enabling the engine to burn more fuel and generate <strong data-start=\"312\" data-end=\"329\">greater power<\/strong> without increasing the risk of <strong data-start=\"361\" data-end=\"370\">knock<\/strong> (pre-ignition).<\/p>\n<p style=\"padding-left: 80px;\">A more efficient charge cooler also helps <strong data-start=\"458\" data-end=\"487\">maintain consistent power<\/strong> during extended periods of boost or high ambient temperatures by preventing <strong data-start=\"564\" data-end=\"577\">heat soak<\/strong>, ultimately improving <strong data-start=\"600\" data-end=\"665\">throttle response, reliability, and overall engine efficiency<\/strong>.<\/p>\n<ul>\n<li><strong>Full exhaust kit<\/strong><\/li>\n<\/ul>\n<p style=\"padding-left: 80px;\">The full exhaust will provide greater increases in horsepower and torque on turbocharged vehicles by allowing exhaust gasses to flow easier as they leave the turbo and the tune can be increased to take advantage of the extra breathing. The Milltek Sport system we fit has much better flowing middle and back boxes compared to the stock system therefore giving better performance, plus whatever your choice of box configuration the performance figures will be very similar just the noise level you require.<\/p>\n<ul>\n<li><strong>High Pressure Fuel pump (HPFP)<\/strong><\/li>\n<\/ul>\n<p style=\"padding-left: 80px;\">Upgrading the <strong>HPFP<\/strong>\u00a0in a turbocharged car ensures the engine receives <strong data-start=\"74\" data-end=\"113\">sufficient fuel volume and pressure<\/strong> to match the increased air from the turbo, which is critical for maintaining the correct <strong data-start=\"203\" data-end=\"221\">air-fuel ratio<\/strong> under boost. This allows for <strong data-start=\"251\" data-end=\"272\">higher horsepower<\/strong> tuning, <strong data-start=\"281\" data-end=\"309\">prevents lean conditions<\/strong> (which can cause engine knock or damage), and supports <strong data-start=\"365\" data-end=\"385\">larger injectors<\/strong> and <strong data-start=\"390\" data-end=\"413\">higher boost levels<\/strong> safely. In short, it enables the fuel system to <strong data-start=\"462\" data-end=\"498\">keep up with the turbo&#8217;s demands<\/strong>, unlocking the car\u2019s full performance potential.<\/p>\n<ul>\n<li><strong>Intake<\/strong><\/li>\n<\/ul>\n<p style=\"padding-left: 80px;\">Aftermarket intakes often use <strong data-start=\"280\" data-end=\"306\">larger diameter piping and<\/strong>\u00a0<strong data-start=\"308\" data-end=\"326\">smoother bends<\/strong>, to reduce airflow restriction, allowing the turbo to <strong data-start=\"407\" data-end=\"430\">breathe more freely<\/strong>. Better airflow can help the turbo <strong data-start=\"499\" data-end=\"519\">spool up quicker<\/strong>, improving <strong data-start=\"531\" data-end=\"552\">throttle response,<\/strong> whilst improved airflow supports <strong data-start=\"642\" data-end=\"665\">higher boost levels<\/strong> and <strong data-start=\"670\" data-end=\"699\">more efficient combustion<\/strong>, leading to increased <strong data-start=\"722\" data-end=\"747\">horsepower and torque<\/strong> when tuned correctly.<\/p>\n<p><strong>Booking information<\/strong><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><strong>Stage 3 is at your own risk. We will map the car to be as safe and powerful as it can be but increasing the power and torque so far beyond the factory specification means it will need appropriately reduced service intervals and maintenance.<\/strong>We would require a non refundable deposit of \u00a33,500 to secure parts and booking and for your car to be left with us for 5- 10 working days to carry out the work.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-17 fusion_builder_column_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:3.84%;--awb-spacing-left-medium:3.84%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-13 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-bottom:10px;--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:30;line-height:1.2;\"><p><strong>STAGE 3 GAINS<\/strong> <span style=\"color: #800000;\"><strong><span style=\"color: #000000;\">:<\/span> <span style=\"color: #ff0000;\">+150-190<\/span><\/strong><\/span><strong style=\"color: #800000;\"><span style=\"color: #ff0000;\">PS +200nm<\/span><\/strong><\/p>\n<p><span style=\"color: var(--awb-text-color); font-family: var(--h2_typography-font-family); font-size: 1em; font-style: var(--h2_typography-font-style,normal); letter-spacing: var(--h2_typography-letter-spacing); text-transform: var(--h2_typography-text-transform); background-color: var(--awb-bg-color-hover); font-weight: normal;\">You should see <\/span>around <strong>600-700ps+ 800-820nm<\/strong><\/p><\/h2><\/div><div ><a class=\"fusion-button button-flat button-xlarge button-custom fusion-button-default button-3 fusion-button-default-span fusion-button-default-type fusion-has-button-gradient\" style=\"--button_accent_color:var(--awb-color1);--button_accent_hover_color:var(--awb-color1);--button_border_hover_color:var(--awb-color1);--button_gradient_top_color:#ea3a00;--button_gradient_bottom_color:#7c0000;--button_gradient_top_color_hover:hsla(var(--awb-color5-h),calc(var(--awb-color5-s) - 5%),calc(var(--awb-color5-l) - 10%),var(--awb-color5-a));--button_gradient_bottom_color_hover:hsla(var(--awb-color5-h),calc(var(--awb-color5-s) - 5%),calc(var(--awb-color5-l) - 10%),var(--awb-color5-a));\" target=\"_self\"><span class=\"fusion-button-text awb-button__text awb-button__text--default\">\u00a3POA<\/span><\/a><\/div><div class=\"fusion-separator\" style=\"align-self: flex-start;margin-right:auto;margin-top:10px;margin-bottom:30px;width:100%;max-width:80px;\"><div class=\"fusion-separator-border sep-single sep-solid\" style=\"--awb-height:20px;--awb-amount:20px;--awb-sep-color:#8097ba;border-color:#8097ba;border-top-width:3px;\"><\/div><\/div><div class=\"fusion-title title fusion-title-14 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-bottom:10px;--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:30;line-height:1.2;\"><strong>STAGE 3 DYNO PLOT:<\/strong><\/h2><\/div><div class=\"fusion-image-element \" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-3 hover-type-none\"><a href=\"https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2025\/07\/AUDI-B9-RS4-TTE720-MRC-TUNING-STAGE-3-ECU-AND-TCU--1024x576.png\" class=\"fusion-lightbox\" data-rel=\"iLightbox[da170e4f6db924f71c1]\" data-title=\"AUDI B9 RS4 TTE720 MRC TUNING STAGE 3 ECU AND TCU\" title=\"AUDI B9 RS4 TTE720 MRC TUNING STAGE 3 ECU AND TCU\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2025\/07\/AUDI-B9-RS4-TTE720-MRC-TUNING-STAGE-3-ECU-AND-TCU--1024x576.png\" alt class=\"img-responsive wp-image-3820\" srcset=\"https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2025\/07\/AUDI-B9-RS4-TTE720-MRC-TUNING-STAGE-3-ECU-AND-TCU--200x112.png 200w, https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2025\/07\/AUDI-B9-RS4-TTE720-MRC-TUNING-STAGE-3-ECU-AND-TCU--400x225.png 400w, https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2025\/07\/AUDI-B9-RS4-TTE720-MRC-TUNING-STAGE-3-ECU-AND-TCU--600x337.png 600w, https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2025\/07\/AUDI-B9-RS4-TTE720-MRC-TUNING-STAGE-3-ECU-AND-TCU--800x450.png 800w, https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2025\/07\/AUDI-B9-RS4-TTE720-MRC-TUNING-STAGE-3-ECU-AND-TCU--1200x675.png 1200w\" sizes=\"(max-width: 700px) 100vw, 1200px\" \/><\/a><\/span><\/div><div class=\"fusion-title title fusion-title-15 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-bottom:10px;--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:30;line-height:1.2;\"><strong>STAGE 3 TUNING VIDEO:<\/strong><\/h2><\/div><div class=\"fusion-video fusion-youtube\" style=\"--awb-max-width:600px;--awb-max-height:360px;\"><div class=\"video-shortcode\"><lite-youtube videoid=\"YAAajzNFVaE\" class=\"landscape\" params=\"wmode=transparent&autoplay=1&amp;enablejsapi=1\" title=\"Stage 3 Begins! B9 RS4 Build \u2013 TTE720 Hybrid Turbos Installed + Final Power Figures \ud83d\udca5 Stage 2 is officially maxed out, and we\u2019ve pushed the stock turbos as far as they can go. Now it\u2019s time to take things to the next level. In this video, we kick off Stage 3 of our B9 Audi RS4 build with the installation of TTE720 hybrid turbos, upgraded MAP sensors, intake pipe adapters, H&amp;R Anti roll bars and Wheel spacers.\" data-button-label=\"Play Video\" width=\"600\" height=\"360\" data-thumbnail-size=\"auto\" data-no-cookie=\"on\"><\/lite-youtube><\/div><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-18 fusion_builder_column_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:3.84%;--awb-spacing-left-medium:3.84%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><\/div><\/div><\/div><\/div><div class=\"fusion-bg-parallax\" data-bg-align=\"center center\" data-direction=\"up\" data-mute=\"false\" data-opacity=\"100\" data-velocity=\"-0.3\" data-mobile-enabled=\"true\" data-break_parents=\"0\" data-bg-image=\"https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2025\/02\/Audi-RS4-B9-2-9L-TFSI-FRONT.jpg\" data-bg-repeat=\"false\" ><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-13 fusion-flex-container has-pattern-background has-mask-background fusion-parallax-up nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-top:150px;--awb-background-image:url(&quot;https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2025\/02\/Audi-RS4-B9-2-9L-TFSI-FRONT.jpg&quot;);--awb-background-size:cover;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:93.6%;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-19 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-14 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:93.6%;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-20 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-section-separator section-separator triangle fusion-section-separator-5\" style=\"--awb-border-top:5px solid var(--awb-color3);--awb-spacer-height:5px;--awb-svg-margin-left:1.92%;--awb-svg-margin-right:1.92%;--awb-svg-margin-left-medium:1.92%;--awb-svg-margin-right-medium:1.92%;--awb-svg-margin-left-small:1.92%;--awb-svg-margin-right-small:1.92%;--awb-icon-color:var(--awb-color1);--awb-icon-top:-15px;\"><div class=\"fusion-section-separator-svg\"><div class=\"divider-candy-arrow top\" style=\"bottom:5px;border-bottom-color: var(--awb-color2);\"><\/div><div class=\"divider-candy top\" style=\"top:-25px;border-bottom:1px solid var(--awb-color3);border-left:1px solid var(--awb-color3);\"><\/div><\/div><div class=\"fusion-section-separator-spacer\"><div class=\"fusion-section-separator-spacer-height\"><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-15 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling fusion-no-small-visibility fusion-no-medium-visibility\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-top:6%;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-stretch fusion-flex-content-wrap\" style=\"max-width:93.6%;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-21 fusion_builder_column_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:60px;--awb-spacing-left-large:3.84%;--awb-width-medium:50%;--awb-spacing-right-medium:3.84%;--awb-spacing-left-medium:3.84%;--awb-width-small:100%;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-16 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-bottom:10px;--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:30;line-height:1.2;\">Frequently Asked Questions<\/h2><\/div><div class=\"fusion-title title fusion-title-17 fusion-sep-none fusion-title-text fusion-title-size-three\" style=\"--awb-text-color:#ce1a26;--awb-margin-top:0px;--awb-margin-top-small:0px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;--awb-font-size:1.1em;\"><h3 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;letter-spacing:1px;font-size:1em;--fontSize:16.5;--minFontSize:16.5;line-height:1.3;\">Please check the below questions to see if it answers your query before ringing the office<\/h3><\/div><div class=\"fusion-separator\" style=\"align-self: flex-start;margin-right:auto;margin-top:10px;margin-bottom:30px;width:100%;max-width:80px;\"><div class=\"fusion-separator-border sep-single sep-solid\" style=\"--awb-height:20px;--awb-amount:20px;--awb-sep-color:#e20b0b;border-color:#e20b0b;border-top-width:3px;\"><\/div><\/div><div class=\"fusion-text fusion-text-8\"><p><strong>Bookings<\/strong><\/p>\n<p>We require non refundable deposits for all bookings made, if you\u2019re more than half an hour late, try to rearrange within 48 hours or do not show we will keep the deposit, if you are wanting to re book then another deposit will need to be taken.<\/p>\n<p><strong>We also ask that all invoices are paid by BACS before collection.<\/strong><\/p>\n<p><strong>Engine related FAQ<\/strong><\/p>\n<p>All tuned Vehicles should be ran on Audi long-life 5W40 oil.<\/p>\n<p>All 2.0L 2.5L and 4L engines should be ran on NGK race plugs once tuned.<\/p>\n<p><strong>Please let us know if service work needs to be added to your estimate<\/strong><\/p>\n<p><strong>Service Intervals:<\/strong><\/p>\n<ul>\n<li>Oil and filter change once a year or every 10k<\/li>\n<li>Major engine service every 2 years or every 20k<\/li>\n<li>Transmission (gearbox, haldex, diffs, transfer box) should be done every 3-4 years, every 35k\n<ul>\n<li><strong>Depending on how the car is driven, if the car is driven hard\/ abused etc then these intervals should be cut in half.<\/strong><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>Fuel<\/strong><\/p>\n<p>Please make sure your car arrives with at least half a tank of fuel and is always run on the best fuel, either Tesco 99 Momentum or Shell Vpower<\/p>\n<p><strong>Coilpacks<\/strong><\/p>\n<p>Please be aware that old coilpacks can fail when running more power, causing a misfire, please make sure you have newest revision coilpacks before booking in, or let us know and we can add these to the estimate and replace on the day.<\/p>\n<p><strong>Labour rates<\/strong><\/p>\n<p>Our standard labour rate is charged at \u00a3119+vat<\/p>\n<\/div>\n\n<\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-22 fusion_builder_column_1_2 1_2 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.84%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:3.84%;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:3.84%;--awb-spacing-left-medium:3.84%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-image-element \" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-4 hover-type-none\"><img decoding=\"async\" width=\"600\" height=\"638\" alt=\"AUDI-RS4-RS5-B9-V6-2-9L-TFSI-ENGINE\" title=\"AUDI-RS4-RS5-B9-V6-2-9L-TFSI-ENGINE\" src=\"https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2025\/02\/AUDI-RS4-RS5-B9-V6-2-9L-TFSI-ENGINE.jpg\" class=\"img-responsive wp-image-3231\" srcset=\"https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2025\/02\/AUDI-RS4-RS5-B9-V6-2-9L-TFSI-ENGINE-200x213.jpg 200w, https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2025\/02\/AUDI-RS4-RS5-B9-V6-2-9L-TFSI-ENGINE-400x425.jpg 400w, https:\/\/mrctuning.com\/site\/wp-content\/uploads\/2025\/02\/AUDI-RS4-RS5-B9-V6-2-9L-TFSI-ENGINE.jpg 600w\" sizes=\"(max-width: 700px) 100vw, 600px\" \/><\/span><\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"100-width.php","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"class_list":["post-1720","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Audi RS4 \/ RS5 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