Chris, if you are looking for an open front muffler, and can use it where you fly, consider a Semco. The 60 size mufflers were a standard size; an adapter was used for each engine. (you probably already know that) They do show up on ebay or a wanted ad over at RCG might unearth one. The muffler should be easy to get, the adapter a little harder. ST did make strap ons for these - don't remember if in open and/or closed front.

Jim

Doh! I just actually looked at your pictures after I posted this. Your V60 has muffler lugs. The above all assumed it was the earlier engine without lugs.