212 predator hemi mods?

#1
I wana start modding my 212 predator. Its not governed since i had to stretch a spring to get motor to drop down to idle. the first speed run i made was 30mph not knowing my govner was not gona work. Turned throttle stop in a bunch and droped it to 20mph. My goal is to try and get back to 30mph while the throttle stop is turned where it is now. My first mods are gona be high flow filter exhaust and rejet. But whats the next mod to go with its gona be a one mod at a time thing. I know how to work on the motors but this is the first performance build i have done and just not sure what mods would be best with the different choices its gona be on a yard kart and i dont wana swap sprockts so that i can keep the take off and low end power thanks in advance
 
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