for that...ive got one of these :D
http://www.serbu.com/ss3s.jpg
im kidding, really....
I had this stuff in my old car for nearly 4 years (different pieces here and there) and never had a problem, it had an alarm, but nothing major.
Key is, to A) install it stealth and B) not drive through mall or movie theater parking lots with it blasting at full volume.
