The Flowmaster Flow FX cat-back exhaust system is designed for 2009-2013 GM Silverado and Sierra 1500 trucks equipped with the 5.3L engine. Constructed entirely from durable 409 stainless steel, it features 3.0-inch pipes that transition to dual 2.50-inch mandrel bent pipes, optimizing exhaust gas flow. The system incorporates a Flow FX "straight-through" muffler, delivering an aggressive sound and maximum performance. Finished with dual 4.0-inch diameter black ceramic-coated stainless steel tips, it provides a custom appearance and a deep, performance-oriented sound. The system uses existing factory hanger locations and includes all necessary hardware and installation instructions for straightforward, at-home installation. Backed by Flowmaster's lifetime Limited Warranty, it offers long-lasting durability and performance enhancement.
This exhaust system is a direct bolt-on upgrade for 2009-2013 GM Silverado and Sierra 1500 trucks with the 5.3L engine, fitting models with a 143-inch wheelbase. It is suitable for street and performance use, providing improved exhaust flow, sound, and aesthetics. The kit includes all mounting hardware and instructions, ensuring an easy installation process without modifications. Designed for enthusiasts seeking a combination of performance, durability, and a bold sound, this system enhances the vehicle's exhaust note and overall look while maintaining factory hanger compatibility for a seamless fit.
