Gibson Performance Exhaust 9210 Aluminized Dual Sport Cat-Back Exhaust System Manufactured using stainless steel 3-inch headpipe, 2.50-inch dual mandrel-bent tailpipes with zinc plated factory style hangers, clamps and all necessary hardware for easy bolt on installation Gibson's Superflow performance muffler delivers the powerful "big block" sound with increased power and torque 3.5 inches polished T304 stainless steel round slash cut tips Exits behind rear tire Lifetime limited warranty