Reviewed By Josh S (FORT WAYNE, IN) Reviewed for a 2007 GMC Yukon XL —12/26/2015 8:19 PM
Easy even for someone with little experience
Reviewed By Brandon L (Mount Pleasant, SC) Reviewed for a 2015 GMC Yukon XL —10/14/2014 3:26 AM
Product showed up quick and has definitely help the engine on this large suv. I have seen and increase of 2mpg in city, but have not taken it on the highway yet. The instructions could be better, but overall I'm very pleased.