Reviewed By Paul A (hanover, MA) Reviewed for a 2007 Jeep Wrangler —7/4/2014 8:15 AM
Ordered on Monday and was in my hands the next day. Noticeable increase in HP on 07 JKU
Reviewed By Tim R (LAS VEGAS, NV) Reviewed for a 2005 Jeep Grand Cherokee —2/21/2013 8:24 PM
Bought to recalibrate speedometer to improve mileage, trans shift at correct RPMs, and accuracy back to stock-- it did this exactly as product was described. Very effective, very easy to use which is a big plus!