C-H sells a Abell aluminum muffler for the 32. It is held on by screws that go into two aluminum rods that you drill down through the fins and the screw the muffler on.

I use these mufflers but I shortend the spring loaded original rod and hold them on in the original manner.

The original muffler is rather adaptable. You just need to braze the new tubes in. Use pieces of the largest gas line you can get from the auto parts store.

I used a hook made of piano wire to get enough grip on the spring to get it over the piece on the engine.

good luck,

jim