Borla 00-02 Audi S4 2.7L 6cyl AWD SS Catback Exhaust 2021-gmc-sierra-2500-hd-at4-esi1480105 Borla(r) Cat-Back(tm) and Axle-Back exhaust

Borla(r) Cat-Back(tm) and Axle-Back exhaust systems feature patented straight-through and multi-core technology is designed to unleash hidden horsepower

This muffler is tuned for the Ford Small Block 289/ 302/ (Exc

Do not use the adapter for a full 3" inlet

Contains a Merge X-Pipe

at the same time avoiding the drone and distortion typically found in louder exhausts

Borla 00-02 Audi S4 2.7L 6cyl AWD SS Catback Exhaust 2021-gmc-sierra-2500-hd-at4-esi1480105 Borla(r) Cat-Back(tm) and Axle-Back exhaustThe BORLA sound of power. Its been described as asonic shot of adrenaline. An intoxicating concert ofsteel, gears and combustion that echoes from thespeedways, deserts and highways of the world. The sound of more victory laps than any otherbrand, the BORLA exhaust note has become the quintessentioal soundtrack of high performance motoring. And like all good automotive designs there is function behing the form. As any driving enthusiast knows, the