Flowmaster Signature Series Dual Exhaust System; Rear Exit (19-26 5.3L Silverado 1500 w/ Factory Dual Exhaust & 19-26 5.3L Sierra 1500 w/ Factory Dual Exhaust) #737894

Performance Exhaust Upgrade. The Flowmaster Signature Series Dual Exhaust System; Rear Exit is designed to enhance the sound and power output of your GM Silverado or Sierra 1500 equipped with a 5.3L engine and factory dual exhaust. This cat-back exhaust system improves exhaust flow resulting in noticeable horsepower and torque gains while delivering an aggressive yet refined tone suitable for daily driving or spirited performance. It’s engineered to provide maximum efficiency without altering vehicle emissions.

Construction and Appearance. Crafted from premium brushed 304 stainless steel, the system offers superior corrosion resistance and a polished high-end look. TIG welding ensures precise, durable joints that also enhance aesthetic appeal. The design features a 3.00-inch inlet leading to a single inlet dual outlet Signature Series muffler with an oval shape and natural finish, maintaining factory exhaust bezel appearance for a seamless visual upgrade.

Installation. This cat-back exhaust system is designed for a bolt-on installation using factory mounting points, with no drilling required. Installation can be completed at home using the included hardware and instructions, making it accessible to experienced enthusiasts and professional installers alike.

Application. Specifically designed to fit 19-26 5.3L Silverado 1500 w/ Factory Dual Exhaust and 19-26 5.3L Sierra 1500 w/ Factory Dual Exhaust with Factory Dual Exhaust.

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