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Gibson Single Side cat-back exhaust for 2020–2022 Chevrolet Silverado and GMC Sierra 2500–3500 HD Crew Cab improves low-end acceleration, towing and passing power while exiting behind the rear tire. The stainless bolt-on system features a baffled Superflow muffler, mandrel-bent tubing, polished round slash-cut tips, and includes factory-style hangers and hardware for a clean fit. Dyno-tested gains average 10–15 hp and 15–20 lb-ft of torque; lifetime limited warranty included.
Gibson 20-22 Chevrolet Silverado/GMC Sierra 2500-3500 HD Crew Cab Cat-Back Exhaust - Stainless
