Reviewed By Craig B (Houston, TX) Reviewed for a 2008 Chevy Suburban —7/24/2008 8:23 PM
Big performance increase. It shifts really hard. I am not sure if I like this or not. Gas mileage increased about 5%. I was hoping for more.
Reviewed By Mark H (North Little Rock, AR) Reviewed for a 2013 Ford F-150 —4/26/2016 5:51 AM
I did a few reviews on tuners and decided on this one. Easy to use on my truck. It took about 30 min.to install. Auto anything was great!! Will contiue to do business with them!!! Thanks! M H