Flowmaster American Thunder SS Cat-Back For GM 1500 HD 99-07 (817435)

The Flowmaster American Thunder SS Cat-Back Exhaust System is a high-performance exhaust upgrade designed for V8 GM 1500 models from 1999 to 2006. Constructed with heavy 16-gauge mandrel-bent stainless steel tubing, it offers enhanced durability and maximum performance. The system features a stainless steel Super 50 Series performance muffler that provides a deep, aggressive exterior sound combined with a moderate interior tone, ensuring a comfortable cabin environment. Dual 2.50-inch tailpipes accommodate different exit options—straight out the back for a true dual appearance or exiting behind the rear wheels for towing purposes. The polished 3.00-inch stainless steel tips embossed with the Flowmaster logo add a refined finishing touch. Designed for straightforward installation, the kit includes all necessary hardware and instructions for easy at-home setup.

This exhaust system is compatible with 1999-2006 GM 1500 standard cab/short bed models, including 2WD and 4WD configurations. It is specifically tailored for models with a V8 engine and fits the 2007 Classic body style as well. The system is ideal for street-driven trucks seeking an aggressive sound profile without sacrificing interior comfort. It serves as a direct bolt-on replacement or upgrade, enhancing both performance and sound. The included components and hardware facilitate a hassle-free installation, making it suitable for DIY enthusiasts. This system is perfect for those looking to improve exhaust flow, sound, and aesthetic appeal on their daily driver or performance truck.