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.
Decades later, Gale and the team are not only innovating, patenting products, and setting the bar for aftermarket performance manufacturers, we're also sharing our secrets with the world. The 6.2-liter LS3 V8 was factory rated at 415 horsepower and 415 lb-ft of torque. It is used to expel harmful gases and substances from your engine