Author Topic: Dual Port Muffler Experiments  (Read 1567 times)

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Offline aclarke

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Re: Dual Port Muffler Experiments
« Reply #10 on: May 14, 2014, 04:29:48 pm »
The oem stihl 056 has a long tube inside the muffler and extending out quite a ways. Must have been done to improve flow at rpm

 

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