alt- 160 amps battery- stock 760ca, kinetik 2400, and kinetik 600 music- i listen to rap, drums n bass, techno goals- to be louder then i already am. i figured if i go ported i should be louder, then my 2-15 L7's which are sealed in a 4.2cuft box. space- i can probably get 5.2 cuft total im open to ther suggestions