Techtonics Stainless Steel Cat-Back Exhaust | B5 Audi S4 2.7T | 252 590
B5 Audi S4 up to 2002 2.7T, T-304 Stainless Dual 2.5 inch exhaust with Borla mufflers. Please select if this cat-back is being used with the stock downpipes or the TT cat-back.
⚠️CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov