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Gibson Dual Split cat-back exhaust for 2020–2022 Chevrolet Silverado and GMC Sierra 2500 HD 6.6L Crew Cab (Long Bed) offers a mild exterior tone while preserving near-factory interior sound. This stainless bolt-on system reduces backpressure for typical gains of 15–20 hp, features dual polished tips that exit straight back, and fits most bumpers, roll pans and trailer hitches. Hassle-free installation requires no welding and the system is covered by a lifetime limited warranty.
Gibson 20-22 Silverado/GMC Sierra 2500 HD 6.6L Crew Cab (Long Bed) Cat-Back Dual Split Exhaust
