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.

Only for 4.3L and 5.3L Engines

This Part Fits:

2014-2021 Chevrolet Silverado 1500 WT
2014-2021 GMC Sierra 1500 Base
2021 GMC Sierra 1500 Denali