If not, someone told me that the HB mufflers will fit a Webra and MECOA still sells those.
Ralph-
Just so you know, the HB muffler takes an obscure bolt. The bolt is a long head with 5-44 threads. I just had to order some spares for mine.
The K&B muffler matched the same bolt pattern and uses a more typical bolt.... Off the top of my head I don't remember exactly, but the bolts are easier to come by.
The muffler is not baffled and is WONDERFULLY loud! I enjoy mine. [8D]
Brian