There's no such thing as a good alarm... What you need to do is like what gator4thehaters said. My friends have gotten their cas jacked in front of their house. Alarms are just deterents for thieves. If they want it they can get it... Just beware, the more money you put in your car, just better watch where you're going like nolesman said. I hope my car doesn't get stolen, but I'll still have a alarm system in there. Also pack a 12-guage shotgun in case... Keep your eyes close to your car. If you're going to spend that much money, you might as well go with Viper, they're inexpensive but they do the job...