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. Fits, Fitments 2014 Chevrolet Silverado 1500 High Country 2014 Chevrolet Silverado 1500 LTZ 2014 GMC Sierra 1500 Denali 2014 GMC Sierra 1500 SLT 2015 Chevrolet Silverado 1500 High Country 2015 Chevrolet Silverado 1500 LTZ 2015 GMC Sierra 1500 Denali 2015 GMC Sierra 1500 SLT 2016 Chevrolet Silverado 1500 High Country 2016 Chevrolet Silverado 1500 LTZ 2016 GMC Sierra 1500 Denali 2016 GMC Sierra 1500 SLT 2017 Chevrolet Silverado 1500 High Country 2017 Chevrolet Silverado 1500 LTZ 2017 GMC Sierra 1500 Denali 2017 GMC Sierra 1500 SLT 2018 Chevrolet Silverado 1500 High Country 2018 Chevrolet Silverado 1500 LTZ 2018 GMC Sierra 1500 Denali 2018 GMC Sierra 1500 SLT