Looking at the parts list they sure do look the same, but the support brackets part numbers from a 2005 and 2009 are different, but only the dash number.
A 2005 is a 5247432-329 and 2009 is a 5247432-408. I was just looking at this because I just bought a passenger seat bracket for my 2004.
2013 Vision Sunset Red - Stage 1 exhaust, VictoryHID Cyclops
2004 Kingpin - Traded