Stock is never good enough. And Kooks X-pipes offer freedom from the restrictive factory pipes on your ride. Built from stainless steel, these X-pipes offer better exhaust flow with improved horsepower, torque, and throttle response, plus a deeper tone. Adding aftermarket exhaust is a good way to boost your driving experience and Kooks can help. Their X-pipes are available with or without catalytic converters for a number of applications. In our quest for power, we are always in search of increased performance. You've found it in Kooks X-pipes--they're quality-built at a competitive price.