Flowmaster American Thunder Crossm-Back Exhaust For Ford Mustang 64-66 (17273)

The Flowmaster American Thunder Crossmember-Back Exhaust System is a performance upgrade designed specifically for the 1964-1966 Ford Mustang. Constructed from 16-gauge aluminized steel, this system features all mandrel-bent tubing and an H-pipe to balance exhaust pressures, enhancing throttle response, power, and fuel efficiency. Equipped with a pair of 40 Series Delta Flow performance mufflers, it delivers a deep, powerful sound with a moderately aggressive exterior tone and a moderate interior volume. The last few feet of the tailpipes are polished stainless steel, providing a show-quality appearance. Designed for an easy fit, this complete system includes all necessary hardware and instructions for straightforward installation, making it suitable for street and show applications.

This exhaust system is tailored for 1964-1966 Ford Mustangs with V8 engines, excluding GT and hardtop models. It connects to existing header collector reducer cones or manifold downpipes (not included), serving as a direct replacement or upgrade for the factory exhaust. The system is ideal for enthusiasts seeking improved performance, sound, and aesthetics on street-driven vehicles. It is engineered for a bolt-on installation, ensuring compatibility and ease of use. The kit includes all required components for a complete upgrade, providing a durable, high-performance exhaust solution with a 3-year limited warranty from Flowmaster.