I have a 2008 105th Deluxe. I saw some excellent highway floorboards that sat right next to the exsisting driver floorboards if that makes any sense. They bolted right on the frame and were a mirror image of the originals, they just stuck out right next to the originals.
Hopefully I'm making sense and someone can help a desperate rider out.
My email addy is faxman@epix.net

 

I can't seem to link directly to the pegs, but if you go to Kuryakyn's web site, look under "Footrests" then "Highway/Cruise Pegs & Mounts"

http://www.kuryakyn.com

Might be what you saw?

 

Are you saying that they look just like the stock driver footboards? Haven't seen those. I know there is a passenger footboard that looks just like the drivers but is smaller. Otherwise, there is the Kuryakyn Mark III that attach to the underside of the foorbaord but they say they don't fit the deluxe footboard...just a traditional shape. There is also the Kuryakyn Mark IV that bolts to the frame and extends out.