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The Gibson Dual Split cat-back exhaust for 2015–2019 GMC Sierra 2500 HD 6.0L is a stainless, bolt‑on system with dual tips exiting straight out the back for a clean, aggressive appearance. It reduces backpressure to help generate typical gains of 15–20 horsepower and produces a throaty exhaust note. The baffled Superflow muffler minimizes interior drone while delivering a strong tone; includes hardware and factory‑style hangers for an easy install.
Gibson 15-19 GMC Sierra 2500 HD Base 6.0L 3in Cat-Back Dual Split Exhaust - Stainless
