Reviewed By travis f (Meridian, ID) Reviewed for a 2002 GMC Envoy —2/7/2012 11:27 PM
i have a throttle body spacer as wel thay boath gave me great power verry happy sounds awesome as well
Reviewed By Jaycee A (Oxon Hill, MD) Reviewed for a 2005 GMC Envoy —5/24/2013 7:51 AM
Simple to bolt on. Took about 15 minutes. Notices right a way the throttle response and within my next full tank of gas the the better mileage I was getting with this upgrade. Great product. Does exactly what is stated. I want to install one in all my rides.