Flowmaster American Thunder Single Exhaust System with Polished Tip; Side Exit (01-06 6.0L Sierra 3500)Find parts that fit my vehicle

Performance Exhaust System. The Flowmaster American Thunder Single Exhaust System with Polished Tip and Side Exit is engineered to optimize your vehicle’s exhaust flow, delivering an aggressive yet refined tone. This system enhances throttle response, increases power, and improves mileage, making it an essential upgrade for enthusiasts looking for both performance and sound quality.

Construction and Appearance. Made from mandrel-bent 16-gauge aluminized steel tubing, this exhaust features a dual inlet 50 Series Big Block chambered muffler and a custom bent 3.50-inch aluminized tailpipe. It includes a large, polished 4.00-inch 304 stainless steel tip with the Flowmaster logo and a custom-formed aluminum heat shield with stainless steel clamps for efficient heat dissipation and lasting durability.

Installation. Designed for an easy bolt-on installation using factory hanger locations, this system comes with all necessary hardware and clear instructions. No drilling is required, ensuring a hassle-free upgrade experience for both professional installers and knowledgeable enthusiasts.

Warranty. Backed by a 3-year limited warranty.

Application. Fits 2001-2006 6.0L Sierra 3500 models with a dual inlet muffler design and uses factory hanger locations for an ideal fit.

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