Reviewed By Harold N (Houston, TX) Reviewed for a 2002 Pontiac Firebird —1/1/2011 6:47 PM
Great way to add a few pints with very little effort.
Reviewed By Jason B (Flowood, MS) Reviewed for a 2014 GMC Sierra —2/21/2017 8:11 PM
I used the tuner to adjust my speedometer for larger tires I put on my truck. That plus the fuel saving setting increased my mpg by almost 20%. I haven't had time to play around with the other settings yet. It's very easy to use. The whole process including reading instructions took about 10 mins.
Reviewed By calvin t (ELLERBE, NC) —2/20/2017 5:15 PM
I use to like my truck now I love my truck because of you.it smokes the tires taking off and barks them in 2/3/&4 in my 8 speed automantic trans/ it use to cut off at a 100mph now I have had it to 130mph and had to let off because of a curve/ when I get it on a straight road I will let you now how fast it will run