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The Gibson single-side cat-back exhaust for 2007–2009 GMC Sierra 1500 SLE (6.0L) is a stainless cat-back system tuned to boost acceleration, towing and passing performance while exiting behind the rear tire to reduce cabin noise. Dyno-tested for low-end gains—commonly 10–15 hp and 15–20 lb‑ft—this bolt-on kit includes mandrel-bent tubing, a baffled Superflow muffler with minimal interior drone, polished slash-cut tip, factory-style hangers and a lifetime limited warranty.
Gibson 07-09 GMC Sierra 1500 SLE 6.0L 3in Cat-Back Single Exhaust - Stainless
