I thought I'd post where I'm at with my 8" sealed sub enclosure as it's starting to come around. Can't wait until it's finished.
It's 1/2" mdf and fiberglass, 0.5 cu. ft., will finish it off with black truck bed liner and it will be home to a JL audio 8w3v2d2. Eventually I plan to remove the rest of the carpet in back seats and Rhino Liner the interior.