kill switch people, KILL SWITCH. or remove the ecu fuse, thatll really piss em off. i did both in my cars in the past. hell i resorted to doing those either one of those two things,also with an alarm, then popping my hood and taking my msd external coil inside the house with me, so theyd have to figure three things before they stole my car, unless they had a tow truck of course.