Do you want to stop them from jacking your car or the electronic stuff inside? If you want the best and your car is impossible to be stolen, then Ravelco anti-theft device. If you want them to not bother with the stuff inside then get something that makes alot of noise while sending a signal to a handheld device letting you know your vehicle is being tampered with so you can go outside and shoot em in the as*.

 

when i can save up enough money this is the theft deterrent im getting
http://www.youtube.com/watch?v=fDrzMGdYWZc