Need box plans please!

[raven15]

I have 4 directed studio 12" subs and i need to build a box for my 98 blazer and this will be my first box that i build so i was hoping someone would help with box plans i dont know much about cub ft per sub.. Thanks!

[woc47]

ask directed themselves, they would know.
Buddy has 2 dei studio 12's in a ported box that sounds pretty good