Hello. I'll gladly design and build you an enclosure! LMK if you're interested and we'll go over every little detail in pm's!
Also, if you're interested in going sealed, I have a sealed enclosure for 4 12's that'll I'll let go for $90 SHIPPED! 2 separate chambers, 2 terminal cups (gold plated) and subs face UP. I'll get pics for yah if you want. Either way, lmk!
V.