i got a rally cheap soundstream VGW-12(600rms) and long story made short i talked to a soundstream rep about a box that would be as loud as possible not worrying about sq and he told me to go bandpass 1' cu for the front chamber and 1.5' cu for the back with 2 6" dia 7.4" long ports in the front dose that sound ok if not anyone got any better recomendations??? thanks