When you have purchased a BMW X5 cold air intake for your vehicle, you might want to consider putting on a full BMW X5 cat back exhaust as well. BMW X5 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 BMW X5 catalytic converter and factory BMW X5 cat back exhaust that created much back-pressure. Installing BMW X5 performance exhaust system will help to reduce back-pressure dramatically from bigger piping diameter & straighter pipe design. You can find the best BMW X5 exhaust from our online catalog. Discounted BMW X5 exhaust systems are now offered with free shipping and way below MSRP.