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Discussion Starter · #1 ·
Does anybody have a FMF Powerbomb on their 400ex??? If so, does it have noticeable gains in power???
 

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i have heard the stock header is pretty good that's what im running with hmf slip on but haven't really gotten to ride it yet because of having to fiddle with jets
 

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Discussion Starter · #3 ·
The jets suck in winter time, get ready for it. lol
 

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well im in cali so ya it dont jet cold here well not that cold
 
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