Stereo & Electronics - anyone do a wall of subs in the back of their car?????

Hey guys i have a 98 trans am and im thinking about walling it up and putting 4 12's ported in there. if you have done it or know of someone please post up pics. thanks.

There's not too many out there, but here's a couple:
http://www.angelfire.com/ar/TheJackyl/MyInstall.html

http://www.ls1tech.com/forums/showpost.php?p=5795307&postcount=54