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Header O.S. in YS FZ63S

Old 12-30-2007, 06:17 PM
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Default Header O.S. in YS FZ63S

Hello Troy, can have less power the motor if use an header of OS 70-91 with the original muffler of my YS FZ63S?

I put a photo that I saw in the Web.

Thank you very much.
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Old 12-30-2007, 08:29 PM
Troy Newman
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Default RE: Header O.S. in YS FZ63S

That should work fine...I have never seen that before but from thye looks of its probably Ok

Troy Newman
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