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The Gibson Dual Split cat-back exhaust for 2019–2022 GMC Sierra 1500 Denali (5.3L) is built for a throaty, aggressive tone and improved flow. It reduces backpressure to increase torque and horsepower (typical gains about 18–20 hp) and uses factory tips that exit in the stock location. The mandrel-bent stainless tubing and baffled muffler install with included hardware for an easy bolt-on fit and come with a lifetime limited warranty.
Gibson 19-22 GMC Sierra 1500 Denali 5.3L 3in/2.5in Cat-Back Dual Split Exhaust - Stainless
