View Full Version : box design for audio que hdc 4 12 in wrx sti subaru

11-21-2013, 05:15 PM
ok so my plan is a single audio que hdc 4 12 with 2 audio que q1-1200d on it one for each coil at 1 ohm i want it port and space isnt an issue what cuft do i need and what does the port need to be tuned too