I bought one of these just because the DC ones are pretty hard to come by and I wanted the smooth look vs. all the mounting bolts showing. Needless to say, don't go that route if you're looking for something to take out of the box and bolt on. The fit and finish on the eBay one leave quite a bit to be desired, it'll take more than a little sanding and paint to make it work right. Auction states clearly that the fiberglass one will need prep work for paint etc, but its a little more serious than that I think.
Don't get me wrong, I still intend to use mine, but its going to need some more fiberglass work to get it where I want it to be for installation.
