The installation are is difficult
1st of all they sent me the wrong installation instructions and after looking around on the internet I found installation instructions. Still the area they expect you to put the main unit there isn't room to put it, so u have to put it up in back and zip tie it to other structure.
I bought the programmer with a couple other things from auto anything and it's pretty nice. It will tell you anything that your computers hooked up to any temperature related to anything in her vehicle your horsepower your torque your fuel mileage at any given time it gave my pick up 35 more horsepower and gives you the option to change anything about your vehicle you want. It does freeze up if you leave your vehicle running for too long though without driving