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The Gibson Dual Extreme cat-back for 2014–2018 GMC Sierra 1500 Denali 6.2L is an aluminized bolt-on system that emphasizes bold looks and a powerful exhaust tone. Dyno-tested gains typically range 15–20 horsepower. The Superflow muffler produces a mean sound, paired with polished stainless tips and included hardware for straightforward installation without welding. Backed by a Lifetime Limited Warranty.
Gibson 14-18 GMC Sierra 1500 Denali 6.2L 3.5in/2.25in Cat-Back Dual Extreme Exhaust - Aluminized
