Flowmaster Signature Series Cat-Back For GM Silverado/Sierra 1500 5.3L (14-19) (737857)

The Flowmaster Signature Series Cat-back exhaust system is a high-performance upgrade designed for 2014-2019 GM Silverado and Sierra models equipped with a 5.3L engine. Constructed from brushed 304 stainless steel, this system offers durability and a sleek appearance, with TIG-welded construction for enhanced strength and precise fitment. It features a 3.00-inch inlet pipe leading into a Signature Series straight-through muffler, delivering an aggressive sound and maximum performance gains. The single mandrel-bent tailpipe exits behind the rear passenger side tire and is finished with a large 4.50-inch PVD coated black chrome stainless steel tip, providing a custom look that complements the deep exhaust tone. Max dyno gains of 9 horsepower and 10 lb-ft of torque at the wheels highlight its performance benefits. The system uses factory hanger locations for straightforward installation, including all necessary hardware and instructions.

Designed to fit both 2WD and 4WD models with 143.5- and 153-inch wheelbases, this exhaust system is compatible with Classic body Silverado and Sierra trucks from 2014 to 2019. It serves as a direct bolt-on replacement for the factory exhaust, ideal for street performance and daily driving applications. The kit includes all components needed for installation, ensuring a hassle-free upgrade that enhances sound and power without requiring modifications. Suitable for enthusiasts seeking a durable, high-quality exhaust upgrade that improves vehicle sound and performance while maintaining factory connection points.