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The Gibson dual-split cat-back exhaust for 2007–2010 Hummer H3 (3.7L) is a stainless system that exits with dual polished tips straight out the back for an aggressive appearance and throatier sound. Using a baffled Superflow muffler and mandrel-bent tubing, it reduces backpressure to help produce typical gains of 15–20 horsepower, fits most bumpers and towing setups, installs bolt-on with included hardware, and carries a Lifetime Limited Warranty.
Gibson 07-10 Hummer H3 Base 3.7L 2.5in Cat-Back Dual Split Exhaust - Stainless
