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Audi S4 (B5) Tuning & Performance Parts

Shop online for a wide range of Audi S4 (B5) Quattro Parts, Tuning and Accessories.
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  • CTS-HW-164
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    CTS Turbo B5 S4 MAF housing adapter for 85mm

    CTS Turbo is proud to release our MAF Housing adapter for B5 S4 and CTS 85mm MAF housing.  Our MAF housing adapter is designed for seamless integration into your existing intake tract.  Using the factory S4 airbox you can count on smoother...

    £97.86
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  • CTS-HW-040 CTS-HW-040
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    CTS Turbo B5 S4 MAF Housing 85mm

    The CTS Turbo B5 S4 85mm (Inside Diameter) MAF Housing is designed for use with modified B5 Audi S4, RS4 & C5 Audi A6/Allroad 2.7T.  These MAF housings are designed for car running RS4 or larger turbochargers with upgraded software, and upgraded...

    £141.36
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  • Vagbremtechnic 57.1mm Hub Spigot Extenders (Pair) Vagbremtechnic 57.1mm Hub Spigot Extenders (Pair)
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    Vagbremtechnic 57.1mm Hub Spigot Extenders (Pair)

    (5)

    Vagbremtechnic hub spigot extenders for 57.1mm hubs. When fitting wheel spacers, usually below 10mm, they are known as being NOT Hubcentric, this means that there is very little wheel contacting the hub for weight transfer, and in some cases no contact...

    (5)

    £25.00
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    034Motorsport Rear Adjustable Drop Links - Audi A4/S4/RS4 (B5) Quattro Only 034Motorsport Rear Adjustable Drop Links - Audi A4/S4/RS4 (B5) Quattro Only
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    034Motorsport Rear Adjustable Drop Links - Audi A4/S4/RS4 (B5) Quattro Only

    Fully spherical, length-adjustable rear sway bar end links for B4/B5 Audi Quattro vehicles. Features 10mm hardware at each rod end. Features: Remove any preload for sway bar, especially when corner balancing Improved sway bar reaction time and accuracy...

    Was £272.42
    £245.18
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    034Motorsport Stainless Steel Bipipe Set - 2.7T 034Motorsport Stainless Steel Bipipe Set - 2.7T
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    034Motorsport Stainless Steel Bipipe Set - 2.7T

    Replace your restrictive OEM Audi bipipes with 034Motorsport's High-Flow Stainless Steel Bipipe Set for the 2.7T! Eliminate a major bottleneck in the 2.7T motor while improving boost response. Engineered utilizing CAD software to ensure perfect fitment...

    £253.08 - £297.57
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    034Motorsport Big Bore Silicone Y-Pipe Hose Pair - 2.7T 034Motorsport Big Bore Silicone Y-Pipe Hose Pair - 2.7T
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    034Motorsport Big Bore Silicone Y-Pipe Hose Pair - 2.7T

    The 2.7T platform is far from dead, tuners continually making more and more power with them.åÊ Stock fitment components are becoming less and less viable as power levels sky rocket past the typical 500HP Stage 3 power level.åÊ...

    Was £325.14
    £292.63
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    034Motorsport X34 Cold Air Intake - 2.7T - Carbon Fiber 034Motorsport X34 Cold Air Intake - 2.7T - Carbon Fiber
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    034Motorsport X34 Cold Air Intake - 2.7T - Carbon Fiber

    The X34 intake (aka X1 or X-1) is the ultimate cold air induction system for your 2.7T equipped Audi.  It uses a large open element filter, as well as a heat shield to ensure that your turbos are drawing in cold, dense, filtered air. Can be used...

    Was £653.58
    £588.22
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    034Motorsport 2.7T Fuel Rails (Pair) - S4/A6 C5 034Motorsport 2.7T Fuel Rails (Pair) - S4/A6 C5
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    034Motorsport 2.7T Fuel Rails (Pair) - S4/A6 C5

    CNC machined billet aluminum fuel rails for the 2.7T. CAD engineered and machined to precise tolerences to ensure perfect injector and thread sealing.  Includes reversible brackets which allow the use of either short or tall bodied injectors, fits...

    Was £252.65
    £227.39
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    034Motorsport Engine Mounts (Pair) - VW Passat (B5/B5.5) 034Motorsport Engine Mounts (Pair) - VW Passat (B5/B5.5)
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    034Motorsport Engine Mounts (Pair) - VW Passat (B5/B5.5)

    We're proud to announce the availability of the Motorsport Engine Mount Pair for B5, B6, B7, and C5 Chassis Audi andB5 Chassis Volkswagen models! 034Motorsport's Motorsport Engine Mounts are the new standard in track performance. Our mounts are...

    Was £359.20
    £323.28
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    034Motorsport Engine Mounts (Pair) - Audi A4/S4/RS4 (B5) 034Motorsport Engine Mounts (Pair) - Audi A4/S4/RS4 (B5)
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    034Motorsport Engine Mounts (Pair) - Audi A4/S4/RS4 (B5)

    We're proud to announce the availability of the Motorsport Engine Mount Pair for B5, B6, B7, and C5 Chassis Audi andB5 Chassis Volkswagen models! 034Motorsport's Motorsport Engine Mounts are the new standard in track performance. Our mounts are...

    Was £359.20
    £323.28
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    034Motorsport Street Density Engine Mounts (Pair) - VW Passat (B5/B5.5)
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    034Motorsport Street Density Engine Mounts (Pair) - VW Passat (B5/B5.5)

    We're proud to announce the availability of the Density Line Engine Mounts for B5, B6, B7, and C5 Chassis Audi andB5 Chassis Volkswagen models! 034Motorsport's Density Line Mounts are the new standard in comfort and performance. Our mounts are redesigned...

    Was £281.21
    £253.09
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    034Motorsport Street Density Engine Mounts (Pair) - Audi A4/S4/RS4 (B5)
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    034Motorsport Street Density Engine Mounts (Pair) - Audi A4/S4/RS4 (B5)

    We're proud to announce the availability of the Density Line Engine Mounts for B5, B6, B7, and C5 Chassis Audi andB5 Chassis Volkswagen models! 034Motorsport's Density Line Mounts are the new standard in comfort and performance. Our mounts are redesigned...

    Was £281.21
    £253.09
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    034Motorsport Street Density Transmission Mount - Audi A4/S4/RS4 (B5)
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    034Motorsport Street Density Transmission Mount - Audi A4/S4/RS4 (B5)

    We're proud to announce the availability of the Density Line Transmission Mounts for B5 and C5 Chassis Audi and B5 Chassis Volkswagen models! 034Motorsport's Density Line Mounts are the new standard in comfort and performance. Our mounts are...

    Was £81.55
    £73.40
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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" inlet and outlets for free breathing. 1/4" NPT outlet drain...

    Was £168.06
    £151.25
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