Bombsquad85
Full Access Member
Shreksbrothers kit is if you don't already have an alarm system. It is an alarm, remote start, push button start system.
My install was because I already had an alarm/remote start on my truck. My setup does exactly what you said you want (alarm, remote start, push button start, passive key) and adds smartphone app functionality for alarm and remote start functions from my phone.
I dont have an alarm that I know of but I have remote start that works with the factory remote. I wouldn't mind adding an alarm, but I want keyless entry with push button