switching to fmf headder and pipe on 01 drze, understand jetting change to be 48 pilot, 165 main, one clip down from stock on needle. is this right? thanks fellas...

That is in the ballpark from what I have seen. FMF has jetting specs for their pipes on their web site. Do a search on jetting here at TT for tons of info.

Got my pilot and main jet from BAJA DESIGNS they rec. a 48 with a 165 main on stock muff..and 48 with a 170 on aftermarket pipes...if you are at sea level

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