Went based on reviews
Reviewed By Ray R (CORDOVA, AK) Reviewed for a 2011 Chevy Tahoe —1/14/2015 9:44 PM
So far so good 1 week no problems love the product. Saw a lot of complaints on fuel mileage. Didn't see much decrease but that was not of concern when purchasing. Great product if u do not like the going back and forth between 4 and 8 this is for u.