Reviewed By Ronald V (COMMERCE CITY, CO) Reviewed for a
—9/11/2014 12:08 PM
So far it appears to work great. I will let you know in a couple of weeks as I am headed to the hills and will let you know then how it works for towing. But love the way it performs at this time.
Reviewed By Jon H (South Dennis, MA) Reviewed for a
—8/1/2014 5:05 AM
l have used the econ model in the past and have seen 5mpg improvement. but on this 2011duramax only 1.5 . i am very disappointed. no recommedation here.
Does what it's use for
Reviewed By Torin A (NEW YORK, NY) Reviewed for a
—7/21/2014 9:05 AM
It does what it's suppose to do.