Ok guys need some thoughts. I'm currently on 2 12 cvrs and a 400.1 Zx kicker in a box that might not be the proper specs for them. I am curious weather a single sa 12 with a 1000.1 arc xdi will Hit harder? I am in a 00 jaguar s type with the big 3 upgrade with 4ga Rockford ofc wire. Stock door...