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The B2 Fabrication muffler bypass kit for the 2019-2024 Silverado and Sierra. Swap out your stock muffler and tap into your vehicle's potential for increased horsepower and sound. This muffler bypass is designed for a perfect fit and delivers a robust, resonant sound thanks to its precision mandrel-bent stainless steel construction and efficient flow design. Expertly designed and fixture built, B2 Fabrication ensures meticulous factory fitment. Includes all hardware for installation. Proudly crafted in the U.S.A.