In-Stock Audi A4 Catback

This 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...

The 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...

AWE A4 Research and Development has yielded an exhaust that is remarkably civil while idling / part throttle cruising, but unleashed at full throttle it produces what some have called a "war-cry wail." Sophisticated, refined, and powerful, all in one package. Making good, better The stock exhaust sy...

AWE A4 Research and Development has yielded an exhaust that is remarkably civil while idling / part throttle cruising, but unleashed at full throttle it produces what some have called a "war-cry wail." Sophisticated, refined, and powerful, all in one package. Making good, better The stock exhaust sy...

The Track Edition Exhaust is for drivers who want to keep it cranked to 11 at all times. The Track Edition Exhaust takes the engineered design of the Touring Edition Exhaust, including the 3” Non-Resonated Downpipe, and replaces the rear AWE 180 Technology® resonators with Track Edition straight ...

Convert your existing AWE Touring Edition Cat Back into a Track Edition by swapping the rear 180 Technology® axlebacks with Track Edition straight sections....

System features a high-quality flex joint for improved fit and function, and mirror polished T-304 stainless steel tips. Borla(r) Cat-Back(tm) & Axle-Back exhaust systems feature patented straight-through and multi-core technology designed to unleash hidden horsepower. Increased exhaust velocity add...