This cat-back exhaust offers perfect blending of aggressive sporty tones when you want it and quiet cruising when you don’t, making this the perfect performance street exhaust system. This is the same system that we run on our Challenge edition A4's as featured in European Car, Quattro Quarterly, and Road & Track magazines.



· Mandrel bent T-304 Stainless steel, 3” (76mm) free flowing down pipe, blends into a divorced 2.25” (57mm) main pipe section.

· Entire system is polished to a mirror shine for a brilliant luster

· Double walled 3.5” polished tips with laser engraved STaSIS logo will withstand tarnishing over many years

· Twin resonators keep sound levels deep and mellow

· 10-15 TQ/HP increase

· Designed and manufactured in the U.S.A.

· Stasis Engineering’s Limited lifetime guarantee