i have a hdc3 12 dual 2 ohm sub and a incriminator audio 20.1 and i am going to build a box for it . and i need help on a box designit is for a 87 nissan 200sx it looks just like a ae86 corrola hatchback. my dimentions are 35wide40deep and 16 tall so 35x40x16 and i would like it to be ported and tuned to 36,
