Catback exhaust systems are popular among car enthusiasts because they can improve the sound and performance of a vehicle. From classic American muscle cars to the newest off-road capable rigs, STILLEN has you covered. Browse our most popular performance car, truck and SUV exhaust systems to find the ultimate exhaust experience for your vehicle. If you’re looking to enhance the performance of your car, you may have heard the term "cat back exhaust" being thrown around and wondered what is a catback exhaust exactly.

Adding a dual exhaust to your vehicle can have a number of advantages. Functionally, two exhausts can improve engine performance and reduce emissions. Aesthetically, it has the sporty look that some people search for in a vehicle. Catalytic converters require a temperature of 400&nbsp