alright hear this, i have a box tht is 36" length, 18 width, 17" hight, separated, in the middle, im runnin 2 kicker com vr subs, 12", dey are 400rms each, im runnin a audio bahn a2300hct but i have dem on 2 ohms so dey give out like 1200rms, of course i turn down the gain also, i have aero round port holes, nd dey are 4" wide * 2, i would like to noe the best length of the port hole pipe, i want this sub to also hit the high notes as well, also want ultimate spl frm dez, wut hrtz would u recomend, using this for daily driving also nd want to turn some heads