dB by CORSAs patented Reflective Sound Cancellation® (RSC) Technology allows acoustic engineers to create a drone free exhaust sound, and a deep aggressive rumble. Computerized; mandrel bent; straight through design for maximum airflow which improves fuel economy and performance.

This Part Fits:

Year	Make	Model	Submodel
2003-2004	Chevrolet	Silverado 2500	Base
2003-2004	Chevrolet	Silverado 2500	LS
2003-2004	Chevrolet	Silverado 2500	LT
2004	Chevrolet	Silverado 2500	WT
2003-2005	Chevrolet	Silverado 2500 HD	Base
2003-2006	Chevrolet	Silverado 2500 HD	LS
2003-2006	Chevrolet	Silverado 2500 HD	LT
2004-2006	Chevrolet	Silverado 2500 HD	WT
2003-2004	GMC	Sierra 2500	Base
2003-2004	GMC	Sierra 2500	SLE
2003-2004	GMC	Sierra 2500	SLT
2004	GMC	Sierra 2500	WT
2003-2005	GMC	Sierra 2500 HD	Base
2006	GMC	Sierra 2500 HD	SL
2003-2006	GMC	Sierra 2500 HD	SLE
2003-2006	GMC	Sierra 2500 HD	SLT
2004-2006	GMC	Sierra 2500 HD	WT