MBRP 11 Chev/GMC 2500/3500 4in Filter Back Single Side Aluminum Exhaust System

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 Filter Back Exhaust System; 4 in.; Incl. Extension Pipe/Tailpipe/Hardware/5 in. OD Tip; Single Side Exit; Aluminized;