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Old 01-17-2007 | 08:41 PM
  #44  
BillS
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From: Greensboro, NC
Default RE: 25cc 2-stroke conversion

ORIGINAL: foamcut


Bill,

I'm curious what the outlet tube diameter is on the Lambert mufflers. In a prior thread I believe you were getting an 800 RPM increase from the stock version.
I'm wondering if the larger volume design (gutted stock muffler) would benefit from larger outlets.

Thanks
Foamcut,

Ken’s muffler is good for a sizable RPM increase. There are two outlets and the ID is .580” each. I thought the stock muffler needed outlet pipes but don’t have brazing equipment.

Bill
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