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

Product Overview. The Flowmaster American Thunder Single Exhaust System with Polished Tip; Side Exit is designed to enhance exhaust flow and deliver a distinctive sound that balances power with driveability. This cat-back system improves your vehicle’s throttle response and overall performance while providing an aggressive yet refined tone. Ideal for enthusiasts seeking a noticeable exhaust note without excess noise, it keeps your truck sounding strong on the road.

Construction and Appearance. Crafted from durable 409 stainless steel tubing, the system features mandrel bends for optimized exhaust flow and longevity. It includes a black high-temperature painted chambered muffler with dual inlets and a polished 4-inch 304 stainless steel exhaust tip embossed with the Flowmaster logo. The tubing and hardware maintain a natural finish to resist corrosion and ensure lasting visual appeal.

Installation. Designed for a bolt-on fit using factory hanger locations, installation is straightforward and requires no drilling. All necessary clamps and mounting hardware are provided, facilitating a quick, trouble-free setup.

Warranty. This exhaust system is supported by a lifetime limited warranty, ensuring long-term reliability and customer confidence.

Application. Specifically engineered to fit 2001-2006 Chevrolet Silverado and GMC Sierra 2500HD/3500HD models equipped with 6.0L engines, this system is tailored for vehicles with dual inlet mufflers and includes considerations for factory alignment and towing capability.

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