When you have purchased a Lexus ES cold air intake for your vehicle, you might want to consider putting on a full Lexus ES cat back exhaust as well. Lexus ES 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 Lexus ES catalytic converter and factory Lexus ES cat back exhaust that created much back-pressure. Installing Lexus ES performance exhaust system will help to reduce back-pressure dramatically from bigger piping diameter & straighter pipe design. You can find the best Lexus ES exhaust from our online catalog. Discounted Lexus ES exhaust systems are now offered with free shipping and way below MSRP.