MBRP S6032BLK 4in Filter Back Single Side Black Coated | 11-19 GM 6.6L Duramax 2500HD/3500HD

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.