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