I am considering buying a fmf powerbomb header and fmf Q4 exhaust for my 2009 klx 250s this year and a 330 cc big bore kit next year. Does anyone know if the fmf header and exhaust for the 250 would still fit when I install the 330cc big bore kit?

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09 KLX250S, Dynojet needle 3 notches from top - 2 washers, 124 main jet, 35 pilot jet, fuel mixture screw 3 turns out, Smog removed, Airbox Lid removed,Edge tail light.

 

Yes it will fit. Go for it.

David

 

yes, yes it will.

 

Sounds like a good combo!