Description
Overview
The Flowmaster Flow FX Cat-Back Exhaust System is a complete bolt-on upgrade engineered for the 2019-2023 GM Silverado/Sierra 1500 equipped with the 6.2L engine and factory dual exhaust. Built to breathe better and sound the part, this system replaces the restrictive factory piping with a free-flowing, mandrel-bent design that helps your truck make more power while keeping a refined, moderate tone that’s comfortable for daily driving and towing alike.
Every component is manufactured from durable 409 stainless steel throughout, so the entire system is engineered to resist corrosion and stand up to the heat and road conditions that come with truck ownership. The silver-finished pipes and matching silver Flow FX muffler give the underside of your truck a clean, purposeful look that complements the performance underneath.
Performance and Sound
At the heart of the system is the Flow FX “straight-through” muffler, a 24-inch overall length design with a center inlet and 2.50-inch outlet that is tuned for maximum flow and a moderate sound level. The system steps up from 3.5-inch piping into dual 2.50-inch mandrel-bent tubing, promoting better exhaust gas flow from the engine back. On the dyno, the system delivered maximum gains of +26 horsepower and +39 lb-ft of torque at the rear wheels, so you feel the difference in throttle response and pulling power.
Fitment and Installation
This cat-back system is designed to fit all wheelbases of the 2019-2023 Silverado/Sierra 1500 with the 6.2L engine and factory dual exhaust. It connects to the factory exhaust tips that exit in the rear bumper, preserving a stealthy, OEM-inspired appearance while upgrading everything upstream. Because it uses all the existing factory hanger locations, installation is straightforward and can be completed at home. The kit includes installation instructions and all necessary hardware to get the job done.
Key Highlights
- Constructed from durable 409 stainless steel for long-lasting corrosion resistance
- 3.5-inch to dual 2.50-inch mandrel-bent piping for improved exhaust gas flow
- Flow FX straight-through muffler tuned for a moderate sound level and maximum performance
- Dyno-proven gains of up to +26 hp and +39 lb-ft at the rear wheels
- Bolts to factory hanger locations and connects to the factory rear-bumper exhaust tips
- CARB (California) compliant with Emission Code 5
Whether you’re chasing added power, a better sound, or simply a more durable exhaust than the factory setup, the Flow FX delivers a balanced, no-compromise upgrade. And because it’s backed by Flowmaster’s Lifetime Limited Warranty, you can install it with confidence that your investment is built to last for the long haul.
