Flowmaster American Thunder Single Exhaust System with Polished Tip; Side Exit (01-06 6.0L Sierra 2500 HD)Find parts that fit my vehicle

Classic Performance Sound. The Flowmaster American Thunder Single Exhaust System with Polished Tip delivers a signature growl and enhanced performance that truck enthusiasts demand. This system connects after the factory catalytic converter and uses factory hanger locations for a hassle-free upgrade. With its side-exit design and moderately aggressive exhaust tone, it provides a noticeable boost in presence without overwhelming cabin noise.

Construction and Appearance. Built from 3.50-inch mandrel-bent 16-gauge stainless steel tubing, this exhaust system is engineered for durability and consistent exhaust flow. It's finished with a 4.00-inch polished 304 stainless steel tip for a clean, custom appearance. The corrosion-resistant materials and precision bends ensure long-term performance and sharp looks.

Installation. Designed for straightforward installation, this system includes all necessary hangers and hardware. It mounts easily to factory locations with no cutting or welding required, making it a great upgrade for DIYers.

Warranty. Backed by Flowmaster's limited lifetime warranty, the system is protected against manufacturing defects and performance failures.

Application. This Flowmaster American Thunder Single Exhaust System with Polished Tip fits 2001-2006 6.0L Sierra 2500 HD models.

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