For the extremist who wants to take their truck to the next level, this dual bolt-on Cat back system is for you. This system exists behind the rear tires at an aggressive angle with a powerful exhaust tone. You will gain bold street looks with powerful dyno tuned and tested street performance gains. You can expect to experience gains on average of 15-20 horsepower. Gibson muffler provides a mean performance sound and complemented with polished Stainless Tip. Easy bolt-on installation. No welding required. Backed by a Lifetime Limited Warranty. If you want Extreme, this system is it.

This Part Fits:

Year	Make	Model	Submodel
2004	Chevrolet	Silverado 2500	LS
2004	Chevrolet	Silverado 2500	LT
2001-2005	Chevrolet	Silverado 2500 HD	Base
2001-2006	Chevrolet	Silverado 2500 HD	LS
2001-2006	Chevrolet	Silverado 2500 HD	LT
2004-2006	Chevrolet	Silverado 2500 HD	WT
2004	GMC	Sierra 2500	SLE
2004	GMC	Sierra 2500	SLT
2002-2005	GMC	Sierra 2500 HD	Base
2001-2002,2006	GMC	Sierra 2500 HD	SL
2001-2006	GMC	Sierra 2500 HD	SLE
2001-2006	GMC	Sierra 2500 HD	SLT
2004-2006	GMC	Sierra 2500 HD	WT