Gibson 14-18 GMC Sierra 1500 Denali 6.2L 3.5in/2.25in Cat-Back Dual Extreme Exhaust - Stainless - 65665

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.
Certificate of Origin
Warranty
Installation Instructions


This Part Fits:

Year	Make	Model	Submodel
2014-2018	Chevrolet	Silverado 1500	High Country
2014-2018	Chevrolet	Silverado 1500	LTZ
2014-2018	GMC	Sierra 1500	Denali
2014-2018	GMC	Sierra 1500	SLT