MBRP 2003-2007 Chev/GMC 1500 Classic 4.8/5.3L EC/CC-SB Cat Back Dual Split Rear

Our high flow performance exhaust systems maximize exhaust flow so your engine keeps its cool with lower exhaust temperatures. Your reward will be greater fuel efficiency; more torque; more horsepower; and last but not least a sound that is pure MBRP. Installer Series Cat Back Exhaust System; 2 1/2 in.; Incl. Extension Pipe/Muffler/Driver And Pass Over Axle Pipe/Tailpipes/Hardware/3.5 in. Tip; Dual Split Rear Exit; Aluminized;