Reviewed By Stan R (Channelview, TX) Reviewed for a
—1/23/2012 5:57 AM
Plugged it in and it did the tuning. Noticed change in power and mpg immediately.
Reviewed By Christopher M (BRISTOW, VA) Reviewed for a
—5/15/2017 8:56 PM
Used on my 2005 Excursion with 37's and now my speedometer is spot on.