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Is the "Shorty" pipe the best?  Because that is what I have on my super race machine.  WTH is a spark arrestor btw?  hahahaha.

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Is the "Shorty" pipe the best? Because that is what I have on my super race machine. WTH is a spark arrestor btw? hahahaha.

Did you buy your's from this shop? I hear they get you in and out pretty fast:

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Edited by Fattonz
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Is it necessary to re-pack the silencer?  What exactly does it do?

Yes it's necessary. It keeps the back pressure within spec and more obviously keeps the noise down...

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I'm curious if anyone has bought the Powercore 4 slip-on in the last couple of years for the CRF230F.  I have come across some older threads, where owners were having problems with the spark arrestor blowing out of the exhaust.  Owners had called FMF, and at the time there was no replacements available.

 

I'm wondering if this was an issue that was fixed since those threads had been posted?  If not, is there an easy way to fix this if there is not factory replacement?

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