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The Gibson Dual Sport cat-back exhaust for 2015–2019 GMC Sierra 2500 HD 6.0L is a stainless, bolt‑on system routed behind the rear tire for a standout look and reduced interference with towing. Dyno testing shows typical gains of 10–15 hp and 15–20 lb‑ft of torque while producing a deep authoritative tone with minimal cabin drone. Polished clamp‑on tips, mandrel‑bent tubing and included hangers make installation straightforward; Lifetime Limited Warranty included.
Gibson 15-19 GMC Sierra 2500 HD Base 6.0L 3in Cat-Back Dual Sport Exhaust - Stainless
