Reviewed By Jeffrey C (MADISON, TN) Reviewed for a 1998 Chevy C/K 1500 —10/12/2015 8:14 PM
worth every penny! It gave me a lot more gains in hp than I was expecting. I would recommend to anyone!!
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.