400ex aftermarket end cap

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Feb 21, 2008 | 07:32 PM

4hunnyryda

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Weekend Warrior

Joined: Jan 2008

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400ex aftermarket end cap

hey guys i was just wondering if those aftermarket end caps will give me power like it says it will and if its good 4 my 400

Feb 21, 2008 | 10:08 PM

hondabuster

Elite Pro Rider

Joined: Dec 2003

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400ex aftermarket end cap

It definetly makes it louder, but if you search, you can find dyno graphs of before and after, and some even show a decrease in power after the end cap.

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