So im fittin an 18" btl in my civic. max dimensions are 30x17x35, though i may measure how much mrore room id get if i used some space from the spare tire well. Heres what i plugged in but i really dont know how much port area i need to have and what i should tune it to so I need insight on how to change this up.
I will face it towards the front and front fire the sub because the back seats are slanted and that gives room for the vent to breathe. I figure after someone recommends a fix on dimensions/port area ill have around 7 cubes before sub displacement. Thats 'fair' for an 18" btl, right?