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; Side Exit is engineered to enhance exhaust flow for better throttle response, increased power, and improved fuel economy. It delivers a deep, moderately aggressive exterior tone that is robust yet not overwhelming, making it suitable for both street driving and towing.

Construction and Appearance. Built from 409 stainless steel with mandrel-bent 3.50-inch diameter tubing, this system features a dual inlet 50 Series Big Block chambered muffler for optimized sound and performance. It includes a polished 4.00-inch 304 stainless steel exhaust tip with a rolled edge angled cut, providing a sleek and durable finish. The muffler body has a black high-temperature paint finish, while other components maintain a natural stainless steel appearance. The system is designed to use factory hanger locations for a clean and secure fit.

Installation. Designed for a quick and straightforward installation, this exhaust system comes with all necessary hardware and hangers. It installs after the factory catalytic converter with no drilling required and utilizes factory hanger locations for a hassle-free setup.

Warranty. Backed by a Lifetime Limited Warranty for long-term durability and peace of mind.

Application. Specifically designed to fit 2001-2006 Chevrolet Silverado and GMC Sierra 3500 HD trucks equipped with the 6.0L engine. Compatible with both 2WD and 4WD configurations, this system exits behind the right rear wheel, making it ideal for towing applications.

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