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