Tzed250
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The 028S I have is in great condition, but the muffler had some surface rust. I decided "new muffler!". After I put the new muffler on I looked at the old one and thought "muffler mod!". Here are some before and after pics of the project.
New cover
New housing
Modded cover
Modded housing
The slots in the baffle were made with a .250 end mill in a Bridgeport (yes an actual Bridgeport... ).
The stack is a piece of 3/4 tube. The outlet area equals +/-85% of the exhaust outlet. The spark screen is still in place.
New cover
New housing
Modded cover
Modded housing
The slots in the baffle were made with a .250 end mill in a Bridgeport (yes an actual Bridgeport... ).
The stack is a piece of 3/4 tube. The outlet area equals +/-85% of the exhaust outlet. The spark screen is still in place.