Not sure which 2004 GMC Envoy Throttle Body Spacers are right for you? We have over 1486 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Here's what some of our customers have said:
"WOW!!! I didn't imagine this much torque... It really make a difference. Its a must have along with the airrade intake." —Martin G from Chicago, IL bought an Airaid PowerAid Throttle Body Spacer for a 2004 GMC Envoy.