Was hoping to have more progress with the enclosure, but as of this morning, it isn't much further.
Taped off the face of it:
To do a roundover on the edges, and fill in any brad nail holes, scratches, etc. in the MDF:
Unfortunately, I tried the bedliner application again, hoping it would turn out like the amp board did, and no. Of course not. Why would there be success twice. Looks like complete garbage in my eye, so it's back to square one, what I wanted to do in the first place. Will take more time to buy the wrap and other pieces, but will get the look I'm really wanting.
So since that was a failure, thought I'd work on the wiring a bit. Using some scraps of techflex and other pieces, decided to redo the subwoofer wiring:
Less than two feet of 8ga for maximum wattage and damping factor.