Flow Fx Cat-Back Exhaust System Fits 2019-2023 Silverado/Sierra 1500 6.2L V8 Flow Fx 3.5 Inch To Dual 2.5 Inch Cat-Back, Dual Rear Exit, Stainless Steel Exhaust System - Flowmaster - 717890

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.


Max Increases of up to 26 hp and 39 lb.ft. over the stock exhaust at the rear wheels

3.5-inch and 2.5-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability

Connects to the factory dual exhaust tips for a stealthy look

Includes complete hardware and factory styled hangers in the stock locations for an easy installation

FlowFX “straight through” performance muffler delivers a deep, moderate performance tone and improves exhaust flow

Backed by Flowmaster’s Lifetime Limited Warranty