300EX Exhaust...FMF HMF Or White Bros.

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Mar 18, 2010 | 01:26 PM

#11

Ride Red 300ex

Weekend Warrior

Joined: Mar 2010

Posts: 5

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I just bought a fmf powercore 4 with a k and n filter and it made a huge improvement. I rejetted with a 130 main and a 40 pilot jet. The larger pilot jet made a big improvement on starting when it was cold.

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