I guess to find out what combo works jump on XL Forum, There's heaps for guys that have gone down the same path.
If your looking for some one to do the job for you, call Reno at Wild Rhino in Geelong, him Mechanic Gunna is the Best , He just finshed my Engine for my Bobber and has done a top job 5272 2666 http://www.wildrhinomotorcycles.com.au/

I got my kit off U.S ebay was a while ago now but there's still plenty of them on there.  See post about my conversion here:

http://www.hdforums.com.au/Default.aspx?tabid=71&forumid=1&postid=17336&view=topic

i got my kit and racetuner from Chicago Harley. Was a huge saving compared to getting them locally, but that was when the US/Oz dollars were about even..

G'day,ive just bought a kit myself for my 98 sporty,if u want to import 1 try Frantic custom cycles $600 aust for kit and $112 shipping,if thats a pic of your bike can u tell me what pipes are they as they look good,Cheers stretch

Yeh i thought they was but i want a set to suit a 1998 sporty and was hopin sum1 could help?

 

Ok looks good 2 if thats the only thing to change thanks 4 that