The Flowmaster American Thunder Cat-Back Exhaust System is a high-performance exhaust upgrade designed for 1967-1972 Ford F-100, F-250, and F-350 2-wheel drive long bed V8 trucks. Constructed with all mandrel-bent 2.50-inch 409 stainless steel tubing, it enhances exhaust flow for improved performance and durability. Featuring a built-in H-pipe crossover and Super 44 Series performance mufflers, this system delivers a deep, aggressive tone with a moderate exterior and interior sound level. It is engineered to maximize exhaust pulse flow, resulting in better engine efficiency and a classic Flowmaster sound. The system includes all necessary hardware for easy at-home installation and is covered by a Lifetime Limited Warranty, making it a durable and reliable upgrade for V8 trucks.
This exhaust system is specifically designed for long bed trucks from the 1967-1972 model years, compatible with factory manifolds or headers. It is a direct bolt-on replacement that fits 2WD models with side-mounted auxiliary fuel tanks. The kit offers three tailpipe exit options: straight out the rear, side exit behind each rear tire, or dumped behind the rear tires, allowing customization of sound and appearance. Ideal for street use, daily driving, or performance enthusiasts, this system provides a balance of sound, performance, and durability, making it a versatile upgrade for classic Ford trucks.
