Reviewed By Dennis S (Miami, FL) Reviewed for a 2003 Jeep Grand Cherokee —9/23/2009 6:23 AM
Amazed at the instant horsepower gain. Gas milage is better. I will order one for my wife's mustang.
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