Reviewed By Jamie H (Bay City, MI) Reviewed for a 2006 Jeep Grand Cherokee —5/9/2017 12:59 PM
Works great easy to use and simple to update.
Reviewed By Will B (HUBBARD, OR) Reviewed for a 2011 Jeep Grand Cherokee —2/7/2016 5:57 PM
Read that works best if used with premium fuel, have ran premium in it the whole time I've owned my jeep. It does actually work as advertised. More power across entire RPM range, has increased my mpg by only 2 though nut still an improvement.