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Audi RS4 (B9) Tuning & Performance Parts

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  • RaceChip S - RS4 (B9) / 2017-

    RaceChip S - RS4 (B9) / 2017-

    RaceChip S Tuning BoxUp to 20% more power and torqueUp to 10% fuel savings5 fine tuning mappingsEasy installation in 10 minutes including installation instructionsTuning perfectly tailored to your...

    £224.00
  • Racingline Racing Brake Fluid - 500 ml Racingline Racing Brake Fluid - 500 ml
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    Racingline Racing Brake Fluid - 500 ml

    Racingline Racing Brake Fluid - 500 mlWhether you're running stock brakes for Fast Road, or a Big Brake Kit on the track, the new Racing Brake Fluid from Racingline is a fantastic upgrade to any...

    £18.35
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  • sale
    Remus Non-Resonated Downpipe back System Left/Right with vacuum operated valves controlled by OEM system with 2 Carbon oval tail pipes 175x108 mm Titanium internals - RS4 B9 Avant 2017- Remus Non-Resonated Downpipe back System Left/Right with vacuum operated valves controlled by OEM system with 2 Carbon oval tail pipes 175x108 mm Titanium internals - RS4 B9 Avant 2017-
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    Remus Non-Resonated Downpipe back System Left/Right with vacuum operated valves controlled by OEM system with 2 Carbon oval tail pipes 175x108 mm Titanium internals - RS4 B9 Avant 2017-

    Notes:Fitment Info:Removes secondary catsSystem Info:Diameter 70mmPart Number:048017 1200+047017 0000+047017 0500LR+0026 99CSSAggressive racing soundShot blasted surface, 100% stainless...

    Was £3,522.85
    £2,818.28
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  • sale
    Remus Non-Resonated Downpipe back System Left/Right with vacuum operated valves controlled by OEM system with 4 tail pipes - 84 mm angled, rolled edge, chromed - RS4 B9 Avant 2017- Remus Non-Resonated Downpipe back System Left/Right with vacuum operated valves controlled by OEM system with 4 tail pipes - 84 mm angled, rolled edge, chromed - RS4 B9 Avant 2017-
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    Remus Non-Resonated Downpipe back System Left/Right with vacuum operated valves controlled by OEM system with 4 tail pipes - 84 mm angled, rolled edge, chromed - RS4 B9 Avant 2017-

    Notes:Fitment Info:Removes secondary catsSystem Info:Diameter 70mmPart Number:048017 1200+047017 0000+047017 0500LR+0046 55SAggressive racing soundShot blasted surface, 100% stainless...

    Was £2,961.42
    £2,369.14
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  • sale
    Remus Non-Resonated Downpipe back System Left/Right with vacuum operated valves controlled by OEM system with 4 tail pipes - 84 mm Black Chrome, straight, carbon insert - RS4 B9 Avant 2017- Remus Non-Resonated Downpipe back System Left/Right with vacuum operated valves controlled by OEM system with 4 tail pipes - 84 mm Black Chrome, straight, carbon insert - RS4 B9 Avant 2017-
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    Remus Non-Resonated Downpipe back System Left/Right with vacuum operated valves controlled by OEM system with 4 tail pipes - 84 mm Black Chrome, straight, carbon insert - RS4 B9 Avant 2017-

    Notes:Fitment Info:Removes secondary catsSystem Info:Diameter 70mmPart Number:048017 1200+047017 0000+047017 0500LR+0046 83CBAggressive racing soundShot blasted surface, 100% stainless...

    Was £3,107.14
    £2,485.71
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  • sale
    Remus Non-Resonated Cat back System Left/Right with vacuum operated valves controlled by OEM system with 4 tail pipes - 84 mm Black Chrome, straight, carbon insert - RS4 B9 Avant 2017- Remus Non-Resonated Cat back System Left/Right with vacuum operated valves controlled by OEM system with 4 tail pipes - 84 mm Black Chrome, straight, carbon insert - RS4 B9 Avant 2017-
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    Remus Non-Resonated Cat back System Left/Right with vacuum operated valves controlled by OEM system with 4 tail pipes - 84 mm Black Chrome, straight, carbon insert - RS4 B9 Avant 2017-

    Notes:Fitment Info:System Info:Diameter 70mmPart Number:047017 0000+047017 0500LR+0046 83CBAggressive racing soundShot blasted surface, 100% stainless steelPerformance increase, low back...

    Was £2,706.42
    £2,165.14
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  • sale
    Remus Non-Resonated Cat back System Left/Right with vacuum operated valves controlled by OEM system with 4 Carbon tail pipes - 84 mm angled, Titanium internals - RS4 B9 Avant 2017- Remus Non-Resonated Cat back System Left/Right with vacuum operated valves controlled by OEM system with 4 Carbon tail pipes - 84 mm angled, Titanium internals - RS4 B9 Avant 2017-
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    Remus Non-Resonated Cat back System Left/Right with vacuum operated valves controlled by OEM system with 4 Carbon tail pipes - 84 mm angled, Titanium internals - RS4 B9 Avant 2017-

    Notes:Fitment Info:System Info:Diameter 70mmPart Number:047017 0000+047017 0500LR+0046 83CTSAggressive racing soundShot blasted surface, 100% stainless steelPerformance increase, low back...

    Was £3,122.14
    £2,497.71
    Add to Cart The item has been added
  • sale
    Remus Non-Resonated Cat back System Left/Right with vacuum operated valves controlled by OEM system with 4 tail pipes - 84 mm angled, rolled edge, chromed - RS4 B9 Avant 2017- Remus Non-Resonated Cat back System Left/Right with vacuum operated valves controlled by OEM system with 4 tail pipes - 84 mm angled, rolled edge, chromed - RS4 B9 Avant 2017-
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    Remus Non-Resonated Cat back System Left/Right with vacuum operated valves controlled by OEM system with 4 tail pipes - 84 mm angled, rolled edge, chromed - RS4 B9 Avant 2017-

    Notes:Fitment Info:System Info:Diameter 70mmPart Number:047017 0000+047017 0500LR+0046 55SAggressive racing soundShot blasted surface, 100% stainless steelPerformance increase, low back pressureLight...

    Was £2,560.70
    £2,048.56
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  • H&R 20mm Spring Kit - Audi RS4 (B9) Avant
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    H&R 20mm Spring Kit - Audi RS4 (B9) Avant

    H&R Lowering Springs - Audi RS4 (B9) Avant  Lowering Levels: Front 20mmRear 20mm Enhance the look of your vehicle with H&R Lowering Springs. H&R Sport Springs provide a lower center of gravity and...

    £461.44
    Was £542.87
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    034Motorsport Dynamic+ 22.2mm Rear Anti Roll Bar
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    034Motorsport Dynamic+ 22.2mm Rear Anti Roll Bar

    034Motorsport is proud to offer the ultimate rear sway bar upgrade for the B9 Audi A4/S4, A5/S5, and Allroad! The 034Motorsport Dynamic+ Adjustable Rear Sway Bar is made from a single piece of...

    Was £388.86
    £349.97
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    034Motorsport B9 Rear Subframe Bush Inset Kit 034Motorsport B9 Rear Subframe Bush Inset Kit
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    034Motorsport B9 Rear Subframe Bush Inset Kit

    034Motorsport is pleased to present Billet Aluminum Rear Subframe Mount Inserts for the B9 Audi A4/S4/A5 & Allroad! The B9 Audi A4 uses rubber rear subframe mounts which deflect under load, causing...

    Was £228.48
    £205.63
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    034Motorsport B9 Billet Aluminium Strut Brace Kit 034Motorsport B9 Billet Aluminium Strut Brace Kit
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    034Motorsport B9 Billet Aluminium Strut Brace Kit

    034Motorsport is proud to offer our Billet Aluminum Front Strut Brace for the B9 Audi A4/S4, A5/S5 & Allroad! The factory Audi strut brace is made of thin stamped aluminum, allowing for lateral...

    Was £565.70
    £509.13
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  • sale
    034Motorsport Street Density Transmission Mount Upgrade, B8/B8.5/B9/B9.5 Audi A4/S4/RS4, A5/S5/RS5, Q5/SQ5
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    034Motorsport Street Density Transmission Mount Upgrade, B8/B8.5/B9/B9.5 Audi A4/S4/RS4, A5/S5/RS5, Q5/SQ5

    The 034Motorsport Street Density B8/B8.5 Audi A4/S4/RS4, A5/S5/RS5, Q5/SQ5 Transmission Mount Upgrade is designed to improve the performance of the factory transmission mount assembly with a high...

    Was £48.34
    £43.51
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    034Motorsport Catch Can, Vortex Breather - Universal Fit 034Motorsport Catch Can, Vortex Breather - Universal Fit
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    034Motorsport Catch Can, Vortex Breather - Universal Fit

    After searching for a large capacity, proper "Vortex" style catch can for years, we finally made our own to our specifications. 8" tall, 3" diameter, holds .25 gallons or about 1 liter. Large 1"...

    Was £168.06
    £151.25
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