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.

This Part Fits:

Year	Make	Model	Submodel
2007-2011	GMC	Sierra 1500	Denali
2007	GMC	Sierra 1500 Classic	Denali