Gain up to 4 hp and 11 lbs-ft of torque at the rear wheels from the 2.7-liter in your 2019-2023 Chevrolet/GMC Silverado/Sierra 1500 with Flowmaster’s dual rear or side exit American Thunder exhaust system. This stainless steel system will give you added performance and the custom style you are looking for with dual 3.50-inch polished tips, along with a moderate overall performance exhaust tone.
This Flowmaster® American Thunder® cat-back exhaust system for the 2019-2023 Chevrolet/GMC Silverado/Sierra with the 2.7-liter engine is manufactured using durable 409 stainless steel throughout and features dual 2.50-inch mandrel bent pipes for better exhaust gas flow, and an American Thunder muffler is used for a moderate sound level and maximum performance. Gain up to 4 hp and 11 lbs-ft of torque at the rear wheels over-stock. This system exits dual out the rear or dual out the side, with dual 3.50-inch polished tips for added style and a custom look. The system uses all the existing factory hanger locations and includes installation instructions and all necessary hardware for an easy installation that you can do at home. Backed by Flowmaster’s Lifetime Limited Warranty.
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