Reviewed By Tommy W (Gardnerville, NV) Reviewed for a 2003 GMC C/K 1500 —11/11/2006 11:11 AM
The programmer is EXELLENT. Definatly worth your money. Easy installation, you will have more power in no time!
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.