I'm almost through with 80 square feet of Damplifier Pro. I have another 36 that just arrived the other day that should be enough to finish up the back. I don't think it's going to be enough to do the front doors, so I'm going to probably have to wait to do the front until another time. That's not too big of a deal, but disappointing anyway. But, it is also the most convenient part to put off until a later time since the doors are discreet components. I have also started on the subwoofer box. I've built in brackets that tie into the original seatbelt mounting points that the rest of the box will tie down to. I've also simplified my design slightly from what I posted ealier. The stepping of the speakers to line up the cones isn't really necessary in a bandpass box or for subs in general I would imagine. Aligning the cones is simply used to change the directionality of the concentrated output. Since low frequencies are non-directional, and everything is co...