Looks like the majority like the viper alarm with 2 way. I had a friend who had one of these and wanted one but never asked what it was. Yeah my locks are manual as well. What's the best series for the alarm? And can it be a DIY install or it has to be taken in?

 

id go viper i helped put it in my dads impala its a pain

 

i have the combination of a cheap viper alarm and my .44
hasn't failed me yet