you dont need one. I have a K5 and took the mudflap off in 5 min. The mudflap is held on by 4 screws. You just unscre those...........you have to cut the wire that is leading to the license plate light, electrical tape it, and push it back up in the hole it came from (you will see where that is). You can then mount your plate way up in. If you look in front of the back tire under the bike you will see a little lip of plastic. You can drill two holes in there and mount your plate. I will try to get pics of mine on here for you so you can see but its easy as hell. Dont spend any un-needed cash.