Reviewed By john f (Stratford, CT) Reviewed for a
Mercury Grand Marquis
—12/14/2013 6:34 AM
Did download without any additional changes yet. Performance has increased. Also sounds better. Very easy to do.
Reviewed By scott f (CAPE CORAL, FL) Reviewed for a
—12/13/2017 3:19 AM
Seems to work well with plenty of options and easy to install.
Reviewed By Paul S (Saratoga Springs, NY) Reviewed for a
—12/12/2017 6:47 AM
Only issue is make sure you click the script for inline speedometer calibration, and GM Vehicle, then it is easy