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The Gibson Black Elite Dual Extreme cat-back exhaust for 2014–2018 GMC Sierra 1500 Denali 5.3L is a bolt-on system that sits behind the rear tires at an aggressive angle to deliver a vigorous deep tone. T-304 stainless tips carry Gibson's exclusive black finish, while Superflow muffler tuning, mandrel-bent stainless tubing, factory-style hangers and included hardware simplify installation. Backed by a lifetime limited warranty and made in the USA.
Gibson 14-18 GMC Sierra 1500 Denali 5.3L 3in/2.25in Cat-Back Dual Extreme Exhaust - Black Elite
