Zip Ty Carb Mod on 06 or 07

Has anyone sent there carb in for this mod, if so was the mod a good investment?

Just purchased an 07, currentlly racing an 04 yz450f, very curious about this mod,


I saw the thread, that's what sparked my interest, I was hoping to get some first hand feed back who has riden their bike after the mod. 4 to 7% power gain is impressive.


My carb is in the mail right now. Will post when I have a chance to ride it...

Looks interesting....I beleive that I would want to know exactly what they are doing to my carb......I assume the APmod is part of it????

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