Best alarm?

Originally posted by civ69
DEI, lifetime warranty(if you get professionally installed), great alarms.

DEI makes all of the alarms I mentioned in the above post, are they all equally as good? And for the lifetime warranty to be valid, you not only have to have it professionally installed, but you have to buy it at an authorized dealer as well as have it installed at an authorized dealer, don't do either of those things and ur warranty in null and void.