I know everyone says this is a paperwieght but mine has
been running great and flies my byron pipe dream very well
with a 17-8 prop at about 7400 on the ground. The problem
is my muffler has busted. I can't seem to find any online
anywhere. Does anyone know where i can find a muffler
for this engine?

Thank you,
craig

Craig I have 2 blown up US 25,s I converted a Bennett Muffler to fit the US 25 . Can you use it and where are you located John N

I sure could use one of them. What happened to your
us 25s that they blew up? I live in Georgia. How many
mufflers do you have and how much do you want for them?

craig