Flowmaster SS Cat-Back Exhaust For GMC Sierra 3500 HD/ Silverado 1500 HD (99-07) (817680)

The Flowmaster American Thunder SS Cat-Back Exhaust System is a performance upgrade designed for 2007-2013 GM Silverado and Sierra 1500 trucks equipped with the 5.3L engine. Constructed with 3.00-inch mandrel-bent stainless steel tubing and featuring a Super 40 Series muffler, this system delivers a deep, powerful sound with moderately aggressive tone levels both inside and outside the vehicle. The system's stainless steel tailpipes are mandrel-bent to 2.50 inches and can be configured with exit locations either straight out the rear bumper for a muscular appearance or behind the rear tires for towing applications. Finished with large 3.50-inch double-wall polished stainless steel tips, it enhances both sound and style. The system includes all necessary hardware for a straightforward bolt-on installation and is emissions-legal, backed by a lifetime limited warranty.

Designed for 2007-2013 GM Silverado/Sierra 1500 models with 2WD or 4WD configurations and wheelbases of 143.5 or 157.5 inches, this exhaust system is compatible with trucks equipped with the 5.3L engine, as well as some 4.8L variants from 2007-2008. It serves as an easy upgrade for improved exhaust flow, sound, and appearance, suitable for daily driving, performance enthusiasts, and towing applications. The bolt-on design ensures a hassle-free installation, providing a durable, high-quality exhaust solution that enhances vehicle performance and sound profile.