Reviewed By John J (LOCKPORT, IL) Reviewed for a 2012 GMC Sierra —12/5/2016 12:21 PM
This was my first time using a tuner and it was very easy to use and certainly made a difference in performance.
Reviewed By Eric H (Jesup, IA) Reviewed for a 2015 GMC Sierra —11/30/2016 8:42 PM
This is my 3rd Access cover. Love them. Only bad thing is my last one had a small puncture in the cover. Put a small patch on the inside, and you can't even tell there was a problem. Wasn't worth the hassle of sending it back.