This Flowmaster® Flow FX® cat-back exhaust system for the 2019-2023 GM Silverado/Sierra 1500 trucks with the 6.2L engine and factory dual exhaust, is manufactured using durable 409 stainless steel throughout and features 3.5-inch to dual 2.50-inch mandrel bent pipes for better exhaust gas flow, and a Flow FX "straight-through" muffler is used for a moderate sound level and maximum performance. Maximum increases on the dyno revealed +26 hp and +39 lb.ft at the rear wheels. This system fits all wheelbases and connects to the factory exhaust tips that exit in the rear bumper for a stealthy 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.
Flow FX “straight through” performance muffler delivers a deep, moderate performance tone and improves exhaust flow
3.5-inch and 2.5-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
Includes complete hardware and factory styled hangers in the stock locations for an easy installation
Max Increases of up to 26 hp and 39 lb.ft. over the stock exhaust at the rear wheels
Connects to the factory dual exhaust tips for a stealthy look
Backed by Flowmaster’s Lifetime Limited Warranty
Vehicle Fitment
2019-2023 Chevrolet Silverado 1500
2019-2023 GMC Sierra 1500
Please verify exact fitment for your trim and engine before ordering.
Manufacturer Part Number: 717890
Images are for illustrative purposes only. Actual product may vary.
⚠ WARNING (California Proposition 65): This product can expose you to chemicals which are known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov.
