Hi Guys
Have a " brand new" HP15 from the 80s I think .
Need a Muffler for it .
The Security is One Bolt into the Middle of Manifold .
MECOA dont seem to have this within their parts litany .
Whats the answer if no part shows ---- do a jubilee clip
attached to a OS / SC 15 -20 Muffler convert ?
Advice welcome