MBRP 11 Ford F250/350/450 6.7L 4in Filter Back Cool Duals 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 Cool Duals™ Filter Back Exhaust System; 4 in.; Incl. Extension Pipe/Y-Pipe/Over Axle Pipes/Tailpipes/Hardware/5 in. OD Tip; Dual Side Exit; Aluminized;