Towards toolmaker himself. While installing my aeroport today for a home theatre sub, and since it's pieces are made of plastic/pvc, I thought why not have an aluminum one made. Thus you would need a CNC lathe to do this, but is possible. And would look cool too depending upon the speeds/feeds for finishing.
'97 4 dr. Tahoe
Polk Audio MM6501
Wolfram amps 3000.1, 125.4 coming soon
2 Sundown Audio X 15's Tuned @ 30Hz.
Interstate battery/Royal Excelene/KnuKoncepts Kolossus wiring