Flowmaster FlowFX 5.3L Cat-Back For GM Silverado/Sierra 1500 14-19 (717977)

The Flowmaster Flow FX Extreme cat-back exhaust system is a high-performance upgrade designed for the 2019–2026 Chevrolet and GMC Silverado/Sierra 1500 trucks equipped with a 5.3L engine. Constructed from 409 stainless steel with 3.00-inch mandrel bent tubing, it ensures maximum exhaust flow, durability, and corrosion resistance. The system features a Flow FX series muffler that delivers an aggressive to moderate sound level, enhancing the vehicle's auditory presence while providing performance gains. Its turndown style, dump exit positioned immediately after the muffler, eliminates the over-axle tailpipe, improving ground clearance and departure angle for off-road driving. The design supports increased horsepower and torque, with dyno testing showing gains of up to 15 hp and 20 lb-ft at the rear wheels. All necessary hardware is included for a straightforward installation, and it is backed by Flowmaster's Lifetime Limited Warranty.

This exhaust system is specifically designed for 2019 to 2026 model year Chevrolet Silverado and GMC Sierra 1500 trucks with the 5.3L engine, fitting New Body styles only. It serves as a direct bolt-on replacement for the factory exhaust, ideal for enthusiasts seeking improved performance, sound, and ground clearance for off-road use. The kit includes all mounting hardware and factory-mounting points are used for an easy, hassle-free installation. Suitable for street, off-road, and performance applications, this system enhances both the sound and efficiency of your truck while maintaining durability and quality standards.