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2 part question 1. what jetting with stock bike and ONLY removing the airbox cover? 2. how much extra power will it make compared to all stock? thanks
 

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what jetting, it depends where you are B) about 3000 ft and below you should be able to go up to about a 185 main. Take the baffle out of the muffler, and get another "high flow" air filter. and you will be twice as fast. You can enhance it even more with a HRC end cap, I can sell you my old one for 20 dollars plus shipping if you want it. It makes it sound much better.
 
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