Looking for aftermarket parts to modify or upgrade your Audi A4 with catback? At Tunersports.com we carry a huge selection of the top name brand performance catback parts and accessories for your A4.
Whether you have a 2009 or 2020 Audi A4 in Base to Prestige trim we have you covered. We have 17 catback available to mod your A4. All parts have free shipping to the Continental US 48 States.
 IN STOCK 49-36428This system is constructed of 3" mandrel-bent 304 stainless steel tubing for maximum strength and durability. This system deletes the factory resonator and replaces it with 3” tubing to produces a moderate exhaust tone. Utilizing a factory style flange this system is a direct bolt-on system, which... afe POWER MACH Force-Xp 09-16 Audi A4/A5 B8 L4-2.0L(t) 304 SS 3in. Front Resonator Delete Pipe 2009-2009 Audi A4 Cabriolet 2009-2014 Audi A4 Base 2015-2015 Audi A4 Prestige 2015-2016 Audi A4 Premium / Premium Plus $267.30 SALE |
 OUT OF STOCK 49-36446aFe 20-21 Audi A4 L4-2.0L (t) MACH Force-Xp 3in to 2-1/2in Stainless Steel Cat-Back Exhaust System 2020-2020 Audi A4 Premium / Premium Plus / Prestige $1,023.00 SALE |
 IN STOCK - LOW 49-46403The new MACH Force XP exhaust is engineered to perform in the most extreme environments. This system is constructed from mandrel bent 4 in. 409 stainless steel tubing for maximum flow; increased horsepower; increased torque; and lower EGTs. MACH Force XP exhaust systems are the perfect combination o... aFe MACHForce XP Exhaust Cat-Back SS-304 09-12 Audi A4 (B8) L4 2.0L (t) 2009-2009 Audi A4 Cabriolet 2009-2014 Audi A4 Base 2015-2015 Audi A4 Prestige 2015-2016 Audi A4 Premium / Premium Plus $1,178.93 SALE |
 OUT OF STOCK 3025-32014AWE Tuning Audi B9 A4 SwitchPath Exhaust Dual Outlet - Chrome Silver Tips (Includes DP and Remote) 2017-2018 Audi A4 Premium / Premium Plus / Prestige $3,145.00 |
 OUT OF STOCK 3025-33014AWE Tuning Audi B9 A4 SwitchPath Exhaust Dual Outlet - Diamond Black Tips (Includes DP and Remote) 2017-2018 Audi A4 Premium / Premium Plus / Prestige $3,295.00 |
 IN STOCK 3015-23010AWE Tuning Audi B8 A4 Touring Edition Exhaust - Single Side Diamond Black Tips 2009-2014 Audi A4 Base 2015-2015 Audi A4 Prestige 2015-2016 Audi A4 Premium / Premium Plus $1,145.00 |
 OUT OF STOCK 3015-32030AWE Tuning Audi B8 A4 Touring Edition Exhaust - Dual Outlet Polished Silver Tips 2009-2014 Audi A4 Base 2015-2015 Audi A4 Prestige 2015-2016 Audi A4 Premium / Premium Plus $1,745.00 |
 IN STOCK - LOW 3015-32078AWE Tuning Audi B9 A4 Touring Edition Exhaust Dual Outlet - Chrome Silver Tips (Includes DP) 2017-2018 Audi A4 Premium / Premium Plus / Prestige $1,845.00 |
 OUT OF STOCK 3015-33022AWE Tuning Audi B8 A4 Touring Edition Exhaust - Dual Outlet Diamond Black Tips 2009-2014 Audi A4 Base 2015-2015 Audi A4 Prestige 2015-2016 Audi A4 Premium / Premium Plus $1,795.00 |
 IN STOCK - LOW 3015-33078AWE Tuning Audi B9 A4 Touring Edition Exhaust Dual Outlet - Diamond Black Tips (Includes DP) 2017-2018 Audi A4 Premium / Premium Plus / Prestige $1,895.00 |
 IN STOCK 3015-42018AWE Tuning Audi B8 A4 Touring Edition Exhaust - Quad Tip Polished Silver Tips - Does Not Fit Cabrio 2009-2014 Audi A4 Base 2015-2015 Audi A4 Prestige 2015-2016 Audi A4 Premium / Premium Plus $1,695.00 |
 IN STOCK 3015-43020AWE Tuning Audi B8 A4 Touring Edition Exhaust - Quad Tip Diamond Black Tips - Does not fit Cabriolet 2009-2014 Audi A4 Base 2015-2015 Audi A4 Prestige 2015-2016 Audi A4 Premium / Premium Plus $1,795.00 |
 OUT OF STOCK 3020-32024AWE Tuning Audi B9 A4 Track Edition Exhaust Dual Outlet - Chrome Silver Tips (Includes DP) 2017-2018 Audi A4 Premium / Premium Plus / Prestige $1,395.00 |
 IN STOCK 3020-33026AWE Tuning Audi B9 A4 Track Edition Exhaust Dual Outlet - Diamond Black Tips (Includes DP) 2017-2018 Audi A4 Premium / Premium Plus / Prestige $1,445.00 |
 OUT OF STOCK 3815-31002AWE Tuning B9 A4 A5 Track to Touring Conversion Kit 2017-2018 Audi A4 Premium / Premium Plus / Prestige $745.00 |
 IN STOCK 3820-31002AWE Tuning B9 A4 / A5 to Touring to Track Conversion Kit 2017-2018 Audi A4 Premium / Premium Plus / Prestige $295.00 |
 IN STOCK 140315Borla 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 09-15 Audi A4 Quattro Base SS Catback Exhaust 2009-2009 Audi A4 Cabriolet 2009-2014 Audi A4 Base 2015-2015 Audi A4 Prestige 2015-2016 Audi A4 Premium / Premium Plus $1,242.99 |