Add Wish List Add to Cart The item has been added Quicksilver Exhaust System - Audi S4 B9 Sport Exhaust with Sound Architect (2017 on) DETAILS Secondary Cat Replacement pipes for RHD and LHD models Helmholtz resonator Sound Architect Valve Control Dedicated mobile app to switch the sound KEY FEATURES 4.5KG weight saving 90 and 100mm... Was £2,985.60 Was Add to Cart The item has been added Compare
Add Wish List Add to Cart The item has been added APR Catback Exhaust - 30T Audi S4 And S5 B9 Introducing the APR Catback Exhaust System for the Audi B9 S4 and S5 The APR Catback Exhaust System for the Audi B9 S4 and S5 is a complete, high-performance exhaust solution that runs the entire length of the vehicle from the catalyst back... Was £1,738.00 Was Add to Cart The item has been added Compare
Add Wish List Choose Options Milltek Resonated Catback Exhaust - S4 B9 (sport diff models and without brace bar) Every Milltek system is designed, developed and hand-finished here in the UK by time-served craftsmen, each one produced in aerospace grade type 304, non-magnetic stainless steel. This superior material is less susceptible to discolouration, lasts almost... MSRP: £2,872.06 £2,584.85 - £3,207.42 Choose Options Compare
Add Wish List Choose Options Milltek Non-Resonated Catback Exhaust - S4 B9 (sport diff models and without brace bar) Every Milltek system is designed, developed and hand-finished here in the UK by time-served craftsmen, each one produced in aerospace grade type 304, non-magnetic stainless steel. This superior material is less susceptible to discolouration, lasts almost... MSRP: £2,689.67 £2,420.70 - £3,037.97 Choose Options Compare
Add Wish List Choose Options Milltek Resonated Catback Exhaust - S4 B9 (non sport diff models) Every Milltek system is designed, developed and hand-finished here in the UK by time-served craftsmen, each one produced in aerospace grade type 304, non-magnetic stainless steel. This superior material is less susceptible to discolouration, lasts almost... MSRP: £2,872.06 £2,584.85 - £3,213.95 Choose Options Compare
Add Wish List Choose Options Milltek Non-Resonated Catback Exhaust - S4 B9 (non sport diff models) Every Milltek system is designed, developed and hand-finished here in the UK by time-served craftsmen, each one produced in aerospace grade type 304, non-magnetic stainless steel. This superior material is less susceptible to discolouration, lasts almost... MSRP: £2,689.67 £2,420.70 - £3,044.50 Choose Options Compare
Add Wish List Add to Cart The item has been added Milltek Active Valve Control System - S4 B9 This kit allows you to control your active valves using a remote control. The kit comes complete with a Wiring Loom, Control Box and Two Remote controls. When the valves are in the 'Open' mode, they will be constantly open. When the... Was £558.86 Was £620.96 Add to Cart The item has been added Compare
Add Wish List Add to Cart The item has been added Scorpion Front Section S4 B9 Quattro 3.0T V6 Avant, Saloon/Sedan. Non GPF 2017- Suitable to fit:OEM / ScorpionPipe Diameter:63.5mm/2.5"Tailpipe:Notes:OE Weight (kg):9.48Scorpion System Weight (kg):8.6 Was £674.73 Was £749.70 Add to Cart The item has been added Compare
sale Add Wish List Add to Cart The item has been added 034Motorsport Stainless Steel Racing Catalyst, B9 Audi S4/S5 (Non-OPF Models) NOT SUITABLE FOR 2019+ MODELS WITH OPF / GPF Product Description:The 034Motorsport Stainless Steel Racing Catalyst for B9 Audi S4/S5 is designed as a drop-in replacement for the restrictive factory catalytic converter. The Stainless Steel Racing Catalyst... Was £1,867.38 £1,680.64 Was £1,867.38 Add to Cart The item has been added Compare
sale Add Wish List Add to Cart The item has been added 034Motorsport Res-X Resonator Delete - Audi S4 B9 - 3.0T 034Motorsport Res-X Resonator Delete and integrated X-Pipe.The 034Motorsport Res-X Resonator Delete and X-Pipe unleashes a throaty growl and exotic tone that exudes the sound of performance and warns bystanders that this isn't your average family sedan... Was £486.62 £437.96 Was £486.62 Add to Cart The item has been added Compare
sale Add Wish List Add to Cart The item has been added 034Motorsport X-Clear Driveshaft Tunnel Brace - Audi B9 The X-Clear Driveshaft Tunnel Brace is designed to increase clearance for aftermarket exhausts by replacing the shallow-fitting OEM tunnel brace. This allows for a larger diameter exhaust to be installed without causing excessive rattling or vibration,... Was £165.86 £149.27 Was £165.86 Add to Cart The item has been added Compare
Add Wish List Add to Cart The item has been added ECS Tuning Centre X-Pipe Kit - Audi S4 3.0TFSI (B9) (2) Change the tone of your B9 S4 3.0T exhaust with an easy-to-install upgrade from ECS Tuning! The ECS Tuning Center X-Pipe installs in place of the resonator located in the middle of the factory exhaust system to increase exhaust note and allow... (2) Was £467.61 Was Add to Cart The item has been added Compare
Add Wish List Choose Options Scorpion Cat-back Exhaust System - S4 B9 Saloon and Avant Available for the application is a T304 stainless steel 63.5mm resonated or non-resonated, high flow exhaust system options. The system has been developed with a high flow profile and an acoustic rear silencer to eliminate drone but enhance performance... MSRP: £2,303.68 £2,073.31 - £2,467.05 Choose Options Compare
Add Wish List Add to Cart The item has been added Wagner Tuning Audi S4 B9 300CPSI EU6 Downpipe Kit Downpipe Kit with 300CPSI Racing catalyst for Audi S4 B9 / S5 F5 3,0TFSI made out of high quality stainless steel 1.4301 (SS304) complete 2x Ø3 and adapter for stock exhaust CAD designed and flow optimised 300CPSI with EU6 coating Racing Metal... Was £2,009.00 Was Add to Cart The item has been added Compare
Add Wish List Add to Cart The item has been added CTS Turbo Decat B9 Audi S4/S5 3.0T (EA839) 2016-2018 CTS Turbo B9 S4/S5 3.0T (EA839) cat-delete test pipe is made to maximize exhaust flow for highest power gains. Do not compromise performance and sound with factory parts – unleash your B9 S4/S5 3.0T potential! Designed using the latest in CAD... Was £598.12 Was Add to Cart The item has been added Compare
Add Wish List Add to Cart The item has been added Remus Non-Resonated Cat back System Left/Right with vacuum operated valves controlled by OEM system with 2 Carbon oval tail pipes 175x108 mm Titanium internals - S4 B9 Avant 3.0 TFSI 2016- Notes:Only for vehicles without GPFFitment Info:System Info:Diameter 70mmPart Number:047017 0000+045019 0500LR+0026 99CSSAggressive racing soundShot blasted surface, 100% stainless steelPerformance increase, low back pressureLight weight... Was £2,706.42 Was Add to Cart The item has been added Compare
Add Wish List Add to Cart The item has been added 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 - S4 B9 Avant 3.0 TFSI 2016- Notes:Only for vehicles without GPFFitment Info:System Info:Diameter 70mmPart Number:047017 0000+045019 0500LR+0046 83CBAggressive racing soundShot blasted surface, 100% stainless steelPerformance increase, low back pressureLight weight... Was £2,290.70 Was Add to Cart The item has been added Compare
Add Wish List Add to Cart The item has been added 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 - S4 B9 Avant 3.0 TFSI 2016- Notes:Only for vehicles without GPFFitment Info:System Info:Diameter 70mmPart Number:047017 0000+045019 0500LR+0046 55SAggressive racing soundShot blasted surface, 100% stainless steelPerformance increase, low back pressureLight weight... Was £2,144.99 Was Add to Cart The item has been added Compare
Add Wish List Choose Options Milltek Downpipe Options - Audi S4 (B9) Milltek Downpipe Options - Audi S4 (B9) Pipework Diameter - 2.50" (63.50mm) Kit Includes: - High Flow Cat Assembly (Sports Cat Version)or - Cat Delete Assembly (De-Cat Version)Notes: Fits OE and Milltek Sport Cat-Back Systems The use of... MSRP: £725.81 £653.23 - £2,330.42 Choose Options Compare
Add Wish List Add to Cart The item has been added AWE Tuning SwitchPath Remote System - S4/S5 (B9) AWE Tuning SwitchPath Remote SystemPush-button mood control. Works with stock exhaust system Open and close exhaust valves with the push of a button from inside the cabin at any time Comes as a set of two remotes with wiring harness, control box and... Was £630.52 Was Add to Cart The item has been added Compare
