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The Gibson Dual Extreme cat-back for 2015–2018 Chevrolet Silverado 1500 LS 5.3L is an aluminized bolt-on system aimed at bold looks and a powerful exhaust tone. Dyno-tested gains average 15–20 horsepower. The Superflow muffler delivers a mean sound paired with polished stainless tips, minimal interior drone, and included hardware for a hassle-free install. Backed by a Lifetime Limited Warranty.
Gibson 15-18 Chevrolet Silverado 1500 LS 5.3L 3in/2.25in Cat-Back Dual Extreme Exhaust - Aluminized
