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Looking for aftermarket parts to modify or upgrade your Audi S3 with catback? At Tunersports.com we carry a huge selection of the top name brand performance catback parts and accessories for your S3.
Whether you have a 2015 or 2024 Audi S3 in Premium to Progressiv trim we have you covered. We have 21 catback available parts to mod your S3. All parts have free shipping to the Continental US 48 States.
 IN STOCK - DROPSHIPS 49-36442-BThis MACH Force-Xp exhaust system is constructed of mandrel-bent stainless steel tubing for maximum strength and durability. Featuring a high-flow stainless steel muffler that produces a deepened tone, this system is guaranteed to gain attention. Due to the state-of-the-art computer-aided technology... aFe MACHForce XP 3in-2.5in 304SS Exhaust Cat-Back 15-20 Audi S3 L4-2.0L (t) - Black Tips 2015-2019 Audi S3 Prestige 2015-2020 Audi S3 Premium Plus 2020-2020 Audi S3 Premium $1,301.85 SALE |
 OUT OF STOCK 49-36442-CThis MACH Force-Xp exhaust system is constructed of mandrel-bent stainless steel tubing for maximum strength and durability. Featuring a high-flow stainless steel muffler that produces a deepened tone, this system is guaranteed to gain attention. Due to the state-of-the-art computer-aided technology... aFe MACHForce XP 3in-2.5in 304SS Exhaust Cat-Back 15-20 Audi S3 L4-2.0L (t) - Carbon Tips 2015-2019 Audi S3 Prestige 2015-2020 Audi S3 Premium Plus 2020-2020 Audi S3 Premium $1,301.85 SALE |
 IN STOCK - DROPSHIPS 49-36442-PThis MACH Force-Xp exhaust system is constructed of mandrel-bent stainless steel tubing for maximum strength and durability. Featuring a high-flow stainless steel muffler that produces a deepened tone, this system is guaranteed to gain attention. Due to the state-of-the-art computer-aided technology... aFe MACHForce XP 3in-2.5in 304SS Exhaust Cat-Back 15-20 Audi S3 L4-2.0L (t) - Polished Tips 2015-2019 Audi S3 Prestige 2015-2020 Audi S3 Premium Plus 2020-2020 Audi S3 Premium $1,239.98 SALE |
 IN STOCK - LOW 3025-42068AWE Tuning Audi 8V S3 SwitchPath Exhaust w/Chrome Silver Tips 102mm 2015-2019 Audi S3 Prestige 2015-2020 Audi S3 Premium Plus 2020-2020 Audi S3 Premium $2,095.00 |
 IN STOCK 3025-43072AWE Tuning Audi 8V S3 SwitchPath Exhaust w/Diamond Black Tips 102mm 2015-2019 Audi S3 Prestige 2015-2020 Audi S3 Premium Plus 2020-2020 Audi S3 Premium $2,195.00 |
 IN STOCK 3015-42897Introducing the first AWE Exhaust for the Audi S3 to ever feature patented drone-canceling 180 Technology®. The Touring Edition features a 3†inlet complete with an adapter to accommodate the factory downpipe perfectly while leaving an open 3†connection. In the rear resides AWEâ€... AWE 22-24 Audi 8Y S3 Touring Edition Exhaust - Chrome Silver Tips 2022-2024 Audi S3 Premium / Premium Plus / Prestige $1,395.00 |
IN STOCK 3015-43897Introducing the first AWE Exhaust for the Audi S3 to ever feature patented drone-canceling 180 Technology®. The Touring Edition features a 3†inlet complete with an adapter to accommodate the factory downpipe perfectly while leaving an open 3†connection. In the rear resides AWEâ€... AWE 22-24 Audi 8Y S3 Touring Edition Exhaust - Diamond Black Tips 2022-2024 Audi S3 Premium / Premium Plus / Prestige $1,395.00 |
 IN STOCK 3015-42142AWE Tuning Audi 8V S3 Track Edition Exhaust w/Chrome Silver Tips 102mm 2015-2019 Audi S3 Prestige 2015-2020 Audi S3 Premium Plus 2020-2020 Audi S3 Premium $1,295.00 |
 IN STOCK 3015-43150AWE Tuning Audi 8V S3 Track Edition Exhaust w/Diamond Black Tips 102mm 2015-2019 Audi S3 Prestige 2015-2020 Audi S3 Premium Plus 2020-2020 Audi S3 Premium $1,395.00 |
 IN STOCK - LOW 3020-42897The Track Edition features a 3†inlet complete with an adapter to accommodate the factory downpipe perfectly while leaving an open 3†connection. Featuring minimal filter with one bullet resonator in the center, the Track Edition provides a full-bodied soundtrack at all times.. This conf... AWE 22-24 Audi 8Y S3 Track Edition Exhaust - Chrome Silver Tips 2022-2024 Audi S3 Premium / Premium Plus / Prestige $1,145.00 |
IN STOCK 3020-43897The Track Edition features a 3†inlet complete with an adapter to accommodate the factory downpipe perfectly while leaving an open 3†connection. Featuring minimal filter with one bullet resonator in the center, the Track Edition provides a full-bodied soundtrack at all times.. This conf... AWE 22-24 Audi 8Y S3 Track Edition Exhaust - Diamond Black Tips 2022-2024 Audi S3 Premium / Premium Plus / Prestige $1,145.00 |
 OUT OF STOCK 3815-11897Converts existing AWE Track Edition Exhausts into an AWE Touring Edition Exhaust.... AWE 22-24 Audi 8Y S3 Track-to-Touring Conversion Kit 2022-2024 Audi S3 Premium / Premium Plus / Prestige $595.00 |
 IN STOCK 3820-11050AWE Tuning Audi 8V S3 SwitchPath-to-Track Conversion Kit 2015-2019 Audi S3 Prestige 2015-2020 Audi S3 Premium Plus 2020-2020 Audi S3 Premium $195.00 |
OUT OF STOCK 3820-11897Converts existing AWE Touring Edition Exhausts into an AWE Track Edition Exhaust.... AWE 22-24 Audi 8Y S3 Touring-to-Track Conversion Kit 2022-2024 Audi S3 Premium / Premium Plus / Prestige $375.00 |
 OUT OF STOCK 3825-11030AWE Tuning Audi 8V S3 Track-to-SwitchPath Exhaust Conversion Kit 2015-2019 Audi S3 Prestige 2015-2020 Audi S3 Premium Plus 2020-2020 Audi S3 Premium $995.00 |
 IN STOCK 140631Borla Cat-Back And Axle-Back exhaust systems feature patented straight-through and multi-core technology to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla Sound of Power respected by motoring enthusiasts everywhere.... Borla 13-15 Audi S3 S-Type Dual Round Rolled Catback Exhaust 2015-2019 Audi S3 Prestige 2015-2020 Audi S3 Premium Plus 2020-2020 Audi S3 Premium / Progressiv $1,940.99 |
 IN STOCK S4601304The Audi S3 Cat Back performance exhaust system is one to be reckoned with.... MBRP 15-18 Audi S3 304SS 3in Quad Split Rear Exit C/B System 2015-2019 Audi S3 Prestige 2015-2020 Audi S3 Premium Plus 2020-2020 Audi S3 Premium / Progressiv $832.99 |
 IN STOCK S46013CFThe Audi S3 Cat Back performance exhaust system is one to be reckoned with.... MBRP 15-18 Audi S3 SS 3in Quad Split Rear Exit w/ Carbon Fiber Tips - T304 2015-2019 Audi S3 Prestige 2015-2020 Audi S3 Premium Plus 2020-2020 Audi S3 Premium / Progressiv $930.74 |
 IN STOCK S46043CFMBRP Exhaust Pro Series, Cat-Back System with Carbon Fiber Tips.... MBRP 15-20 Audi S3 T304 Stainless Steel Cat - Active 2015-2019 Audi S3 Prestige 2015-2020 Audi S3 Premium Plus 2020-2020 Audi S3 Premium $1,249.49 |
 IN STOCK - LOW S4620304MBRP 22-24 Audi S3 2.0L Armor Pro T304 SS 3in Cat-Back Quad Split Rear Exhaust - Valve Delete 2022-2024 Audi S3 Premium / Premium Plus / Prestige $790.49 |
IN STOCK - LOW S46203CFMBRP 22-24 Audi S3 2.0L Armor Pro T304 SS 3in Cat-Back Quad Split Rear Exhaust w/ Carbon Fiber Tips 2022-2024 Audi S3 Premium / Premium Plus / Prestige $849.99 |