i have 2 xsite 12' xs120,and i want to make a box to fit into the rear storage area of my 84 firebird and i still want the lid to close to hide them,i was wondering what the best way to do this is,i wanted the subs facing up so i could display them,but i also want the box to have enough air space.if nebody has ne install pics or measuremtnts it would help alot,thanks 84frbrd