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The Gibson single-side cat-back exhaust for 2001–2005 Chevrolet Silverado 3500 (6.0L, 4in) improves low-end torque and acceleration for heavy-duty towing and hauling. Dyno-tested gains average 10–15 hp and 15–20 lb‑ft in the 1800–3000 rpm band. Built in stainless with mandrel bends, a baffled Superflow muffler and polished slash-cut tip, it includes hardware and factory-style hangers for a bolt-on, no-weld installation, quieter cabin operation and a lifetime limited warranty.
Gibson 01-05 Chevrolet Silverado 3500 Base 6.0L 4in Cat-Back Single Exhaust - Stainless
