Any Viper with prox sensor will do. You can set it to chirp if they get too close to the truck, and make it go off if they touch the truck.
I agree. Thats a kick ass alarm. Make sure to get the prox!genovese45 said:Viper 791 xv 2 way pager. I have it on my 02 Escalade and my Integra. I love it. Best thing since sliced bread. Get it.