Reviewed By Jordan T (MEDFORD, OR) Reviewed for a 2011 GMC Sierra —11/18/2015 8:13 PM
Super easy to use. Noticeable gains in power and fuel economy.
Reviewed By andrew s (St George, UT) Reviewed for a 2008 Dodge Ram —11/16/2015 10:25 PM
I bought this to fix my speedometer on my 2008 Dodge Ram 2500 Diesel. I was running 37" tires and went to 35" tires to fit a spare under the truck. I couldnt adjust my speedometer with EFI Live that I already had, so i bought this. It worked perfectly without having to reset the truck to stock. It took me a while to get the truck perfectly calibrated but now its dead on with my GPS.