I mean an alarm is an alarm right, if a theif wants your car or wants your system they will get it. The sensors are only $5.00 at most and I believe its a worth while DIY mod. I dont want to cough up $150.00-$400.00 for an alarm system. Ie: viper, clifford I know that one of Cliffords model is able to still work even tho your battery is disconnected and almost all have engine kill (fuel cut off).
edited...* unless you got one of those Pager alarms where it tells when your alarm is tripped.:naughty: