Flowmaster Thunder Cat-Back Exhaust System for 1999-2007 GM Extended Cab Trucks

Flowmaster Thunder Cat-Back Exhaust System for 1999-2007 GM Extended Cab Trucks

The Flowmaster Thunder Cat-Back Exhaust System is engineered specifically for 1999-2007 GM Extended Cab Trucks, providing a significant upgrade over the factory exhaust system. This performance exhaust system enhances your vehicle’s power, efficiency, and sound, making it an ideal choice for truck enthusiasts looking for a noticeable improvement in exhaust flow and engine performance. The design focuses on eliminating restrictions within the exhaust path to facilitate smoother airflow, which can lead to increased torque and horsepower throughout the RPM range.

This cat-back exhaust system is constructed from durable materials designed to withstand the rigors of daily driving and off-road use. The precisely engineered components work in harmony to produce a deep, aggressive exhaust tone that complements the muscular performance of GM trucks without being overly intrusive on interior cabin noise. The installation process is straightforward, featuring direct-fit components that allow for a hassle-free upgrade, enabling you to spend less time in the garage and more time on the road.

FITMENT: This exhaust system is compatible with 1999-2007 GM Extended Cab Trucks, ensuring a perfect fit and optimal performance when installed correctly. It is tailored for various engine configurations within this range, retaining all factory mounting points for ease of installation.

Key Features & Benefits

• Improved exhaust flow for enhanced engine performance
• Durable construction for long-lasting reliability
• Aggressive exhaust tone that enhances driving enjoyment
• Direct-fit design for easy installation with factory mounting points
• Lightweight materials to reduce overall vehicle weight

Shipping. Free on every order, US only. Orders arrive in 2–4 days.

Returns. 30-day returns, except in extreme cases.

Support. Our team is available 24/7 for fitment mismatches or any other reason.

Warranty. Full manufacturer guarantee.