Reviewed By RICHARD J (Parachute, CO) Reviewed for a 2005 GMC Savana —7/13/2014 9:25 PM
Big difference in power. I get 3 to 4 mpg more when using performance level.
Reviewed By Jake W (SANTA ROSA, CA) Reviewed for a 1998 Jeep Grand Cherokee —4/26/2016 7:49 PM
After I plug in it and change the settings I felt a big different in power and accelerate faster which is good I'm really happy this product does help really well. Thank u very much