How good is the new FMF Powercore IV-2 silencer?

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02-19-2000, 12:18 AM

y2k400ex

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I've got a 2000 400 EX, and I'm considering getting a new exhaust system. I like the original Powercore IV silencers, but they are LOUD. Is the new design much quieter and does it give you really noticeable power gains? Thanks in advance.

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02-19-2000, 09:33 AM

Mike Frey

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This topic has already been started.
FMF's new power core 2 with headpipe (400EX)

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