Features Straight-through, nonrestrictive design, specifically tuned for the Audi S4. Flow bench-tested 21% gain in exhaust flow vs. stock system; 2.5" O.D. 304L pipes. Premium stainless steel construction, crafted with pride and precision in the USA. Patented CORSA Reflective Sound Cancellation™ (RSC™) technology* for superior sound and ultimate performance. Handcrafted, polished stainless steel Twin Pro-Series 3.0" tips for enhanced vehicle appearance. Direct bolt-on installation; no cutting or welding required. Includes all necessary hardware and illustrated installation guide. 50-state emissions legal. Complies with 95 dB requirement when tested in accordance with SAE test procedure, J1169 (May 1998). Limited LIFETIME WARRANTY for as long as you own your Audi S4. NOTE: CORSA Performance exhaust systems are not warranted to meet any specific local, state or federal noise ordinances. Please check applicable laws before installing.

2006-08 Full Cat-Back Exhaust System
Dual Rear Exit with Twin Pro-Series 3.0" Tips

Audi S4 - Part # 14540

Secure On-line Ordering
or Call 1-800-486-0999

* U.S. Patent Numbers 5,952,625 6,199,658 Other Patents Pending