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The Gibson single-side cat-back exhaust for 2004–2005 Chevrolet Colorado Sport (2.8L) is a stainless cat-back system that improves acceleration, passing power and towing while routing exhaust behind the rear tire for a quieter cabin. Dyno-tested to deliver low-end gains—around 10–15 hp and 15–20 lb‑ft—this bolt-on system uses mandrel-bent tubing, a baffled Superflow muffler with minimal interior drone, polished slash-cut tip, factory-style hangers and a lifetime limited warranty.
Gibson 04-05 Chevrolet Colorado Sport 2.8L 2.5in Cat-Back Single Exhaust - Stainless
