Header O.S. in YS FZ63S
12-30-2007, 06:17 PM
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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.
I put a photo that I saw in the Web.
Thank you very much.
