[sschevy14]

I have a 07 400ex with a k and n intake filter and a prefilter, its a mods3 stage 1 kit plus a yoshi r2 full exhaust system, what should I jet my carb too and what do I need to buy, also what's the next step to make it fast before I bore it to a 440

 

[t-rex]

camshaft, change up the sprockets,tires