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Discussion Starter · #1 ·
hi all,i just bought a fmf gnarly for my exc300 09, would the fmf powercore2 tail pipe work better than the standerd rear pipe?or would it be a wast of money, also would i have to re jet?my jetting is 38pilot n2zw needle 2nd from top and 165 main, many thanks if you can help
 

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Discussion Starter · #3 ·
thanks mate but would re jetting sort the top end rev out?? and are you saying top end of every gear or top end in just 5th
 

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hi all,i just bought a fmf gnarly for my exc300 09, would the fmf powercore2 tail pipe work better than the standerd rear pipe?or would it be a wast of money, also would i have to re jet?my jetting is 38pilot n2zw needle 2nd from top and 165 main, many thanks if you can help
Am running a Gnarly on my 09 with a powercore 2 162 main J needle 2nd notch 35 pilot with no problems at all
 

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Discussion Starter · #7 ·
thanks niknak, i have orderd the power core 2 end can ,but not sure if its the short or long? i think the long pipe is the Q pipe?? will i have problems if it is the short pipe for greenlaning and enduros
 
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