Therefore, they are placed as close to the engine as possible, or one or more smaller catalytic converters (known as "pre-cats") are placed immediately after the exhaust manifold. Founded in 1988, Steeda is the leader in Ford performance products. We specialize in the engineering and manufacturing of parts for the Ford Mustang, Bronco, Bronco Sport, Explorer, Escape, Fusion, Focus, Fiesta, Ford Trucks, and more!

The purchasers are entirely responsible for informing themselves of applicable California laws and to comply with those laws. Mishimoto exhaust systems are designed for a bolt-in installation. From classic American muscle cars to the newest off-road capable rigs, we’ve got you covered. Browse our most popular performance car, truck and SUV exhaust systems to find the ultimate exhaust experience for your ride.

In layman’s terms, a catback exhaust system provides a smoother, more streamlined path for exhaust gases to exit your car, allowing your engine to work more efficiently. When catalytic converters were first introduced, most vehicles used carburetors that provided a relatively rich air-fuel ratio. Oxygen (O2) levels in the exhaust stream were therefore generally insufficient for the catalytic reaction to occur efficiently.

Because the success of a catback exhaust system&nbsp