When you have purchased a Jeep YJ cold air intake for your vehicle, you might want to consider putting on a full Jeep YJ cat back exhaust as well. Jeep YJ Cold air intake system directs more cool air into the combustion chamber, in result, the fuel burns better with colder condensed oxygen. With all these exhaust gases exiting the motor, The exhaust flow is highly restricted by the Jeep YJ catalytic converter and factory Jeep YJ cat back exhaust that created much back-pressure. Installing Jeep YJ performance exhaust system will help to reduce back-pressure dramatically from bigger piping diameter & straighter pipe design. You can find the best Jeep YJ exhaust from our online catalog. Discounted Jeep YJ exhaust systems are now offered with free shipping and way below MSRP.