Upgrade the look, sound and overall performance of your Sierra 1500 with this 5.3L Cat-Back Single Exhaust Upgrade System with Polished Tip. This GMC Performance Accessory is designed for Sierra 1500 Short Wheelbase Models (Crew Cab with 5'8" Bed or Double Cab with 6'6" Bed) equipped with the 5.3L V8 engine. This kit yields real horsepower gains of 10 horsepower at 5600 rpm with increased 3-inch diameter piping. It features a direct bolt-on design with no cutting required and is made from 304 Stainless Steel, including a highly polished 4.5-inch exhaust tip. Estimated power based upon SAE test procedure J1349.
Sierra 1500 GMC Performance Exhaust Upgrade Package, Short Wheelbase Models with L83 Engine
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