Flowmaster FlowFX SS Cat-back For GM Silverado/Sierra 1500 (717890)

The Flowmaster Flow FX cat-back exhaust system is designed for the 2019-2023 GM Silverado and Sierra 1500 trucks equipped with the 6.2L engine and factory dual exhaust. Constructed entirely from durable 409 stainless steel, this system features 3.5-inch to dual 2.50-inch mandrel bent pipes that enhance exhaust gas flow for improved performance. The Flow FX "straight-through" muffler provides a moderate sound level while maximizing horsepower and torque gains, with dyno results showing an increase of +26 hp and +39 lb.ft at the rear wheels. The system is engineered for a stealthy appearance, connecting seamlessly to factory exhaust tips exiting in the rear bumper, and utilizes all existing factory hanger locations for a straightforward installation. It includes comprehensive hardware and instructions, making it suitable for DIY installation, and is backed by Flowmaster's Lifetime Limited Warranty.

This exhaust system fits all wheelbases of the 2019-2023 GM Silverado and Sierra 1500 trucks with the 6.2L engine and factory dual exhaust configuration. It is a direct bolt-on upgrade designed for street and performance use, offering enhanced exhaust flow, improved sound, and increased power. The system is ideal for daily drivers seeking a balance of moderate sound and performance gains, as well as enthusiasts looking to upgrade their truck’s exhaust for better efficiency and a more aggressive sound profile. No modifications are necessary beyond the factory mounting points, and the kit includes all required hardware for a hassle-free installation.