Getting a chrysler pacifica, already have the 2 15s dual 2 ohms, powering with a kicker zx2500.1 at 2 ohms. so they will see about 12-1300 watts each. I need a ported box. WANT THEM TO BE LOUD. Can i get specs? or is there anyone in NY that will make one for me. I need it unfinished, i will paint