So I'm into the replacing speakers stage of my build while I have door panels off and the replacement driver door I bought had a infinity kappa setup in it with a 'driver'? model in the door that both the 6.5" and the tweeter were hooked to. The rest of the doors have stock speakers in them. So should I do the rest of the speakers with infinity kappa or some other 6.5" component setup? It's a Pioneer app radio head unit with single 10" JL sub. Also, should I run a separate amp for door and other speakers?