Flowmaster 3in CCB Exhaust For GM 1500HD/Sierras 99-06 (17350)

The Flowmaster American Thunder Exhaust System is a cat-back performance exhaust designed for 2001-2003 GM 1500HD trucks with a 6.0L engine. Constructed with 3.00-inch mandrel-bent aluminized steel tubing, it directs exhaust flow into a large case dual inlet 50 Series Big Block muffler, providing a deep, moderate exterior tone while maintaining a mild to moderate interior sound. The system enhances vehicle performance by improving throttle response, power, and fuel efficiency. Its design emphasizes durability and ease of installation, featuring factory hanger locations and a polished 3.50-inch stainless steel tip for a refined appearance.

Specifically tailored for 2001-2003 GM 1500HD models with a 6.0L engine, this system is a direct bolt-on upgrade that offers a subtle, custom look with significant performance benefits. It is ideal for daily driving and towing applications, providing a balanced sound profile that is not overly loud. The kit includes all necessary hardware for straightforward installation and is covered by a three-year limited warranty, ensuring long-lasting quality and performance.