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Gibson Dual Extreme cat-back exhaust for 2019–2023 Chevrolet Silverado and GMC Sierra 1500 5.3L Crew Cab delivers an aggressive angled rear exit and a loud exterior tone with controlled cabin sound. The bolt-on stainless system uses mandrel-bent tubing, a Superflow muffler and polished 4.0-inch rolled tips for bold street looks and dyno-tested gains of about 15–20 hp. Installation requires no welding and the system includes hardware and a lifetime limited warranty.
Gibson 19-23 Silverado/GMC Sierra 1500 5.3L Crew Cab Cat-Back Dual Extreme Exhaust
