Posted June 20, 200718 yr Building a wall for 2 x 18" BL's in my Ford Focus ZX4, as it stands now we've got 10.5 cubes per sub, my questions is how much port do i need? how much port surface area etc. etc. ????? Any help would be greatly appreciated. Thanks.DanSoundmekanix SPL design Team
June 20, 200718 yr Author keep in mind it is for bass race/daily booming so i need to be able to play music on it for extended periods of time.