Ya, but is there self damping plywood?
What are the box dimensions....seems pretty small to me as well.I used
http://www.accelerator-pedal.com/ported-box.asp
to give me a design for the box....4 cubs in the Net Volume according to the site...
ya ya went a little apeshit with the screws, but we did predrill piolet holes and it seems to hold pretty well. We did use wooder glue, and i spraypainted it black since i was feeling somethign differant than carpet but still economical.
Here are pics of mine. 4 cu tune to 32. It's 29.5" deep. Not yet in my car. Need a hand lol