MagnaFlow Sys C/B 04 Pontiac GTO 5.7L V8

Made in the USA and engineered to last, for those seeking increased performance and better economy, MagnaFlow Touring Series Performance Exhaust systems deliver the smooth deep sound you want and the wide-open performance power you need. Our exhaust systems feature straight-through flow designs for the ultimate in unrestricted horsepower and torque for big power while maintaining exhaust efficiency. These systems are an engineered balance of interior and exterior noise levels and are tested against SAE j1169 standards. Street Series Performance Cat-Back Exhaust System; 2.5 in.; Incl. Dual 4x9x11 in. Muffler/Ext. Pipes/Tailpipes/Dual 3 in. Round Tips; Dual Straight Driver Side Exit; Stainless; The Street Series Stainless Performance Exhaust system delivers dyno proven power with a comfortable interior sound and performance exterior sound.