MBRP 2007-2009 Chev/GMC 2500/3500 Duramax All LMM Filter Back Cool Duals

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 Cool Duals™ Filter Back Exhaust System; 4 in.; Incl. Y-Pipe/Tailpipes/Over Axle Pipe/Hardware/5 in. OD Tip; Dual Side Exit; Aluminized;