MBRP S6032304 4 Inch Filter Back Single Side T304 Stainless | 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.