Flowmaster American Thunder Crossmember-Back Exhaust For GM F-Body (67-69) (17139)

The Flowmaster American Thunder Crossmember-Back Exhaust System is a high-performance exhaust upgrade designed for classic muscle cars. This complete true dual system features 2.50-inch mandrel-bent aluminized steel tubing, ensuring maximum flow and durability. It includes a built-in H-pipe/balance tube that directs exhaust gases into a pair of Super 44 mufflers, producing an aggressive to moderate tone suitable for enthusiasts seeking a louder, more assertive sound. The system terminates with 2.50-inch angle-cut brushed stainless steel tips, providing a polished appearance. As with all Flowmaster systems, it enhances throttle response, increases power output, and improves fuel efficiency, backed by a 3-year Limited Warranty.

This exhaust system is specifically designed for 1969 Chevrolet Camaros and Pontiac Firebirds equipped with V8 engines. It serves as a direct bolt-on replacement for the factory exhaust, offering a straightforward installation process with all necessary hangers and hardware included. Ideal for street performance and muscle car enthusiasts, this system delivers improved sound and performance while maintaining a classic look. It is suited for use on street-driven vehicles and provides a significant upgrade over stock exhaust components.