Picked up a used crossmember and sliced it up for duals and my 2004r. Nothing really hi-tech, I know this has been done before. I have more time than money, so I spent a few hours Saturday doing this.... "G Force" crossmember for sale on c/l if anybody local is interested. (don't want to ship)
http://wausau.craigslist.org/pts/2550501413.html
http://wausau.craigslist.org/pts/2550501413.html