Hey guys id like to see what you think about jetting. Right now im running FMF fattys, Powercore silencer, and a uni filter with the snokel off the airbox lid. I have 280s in right now but it bogs down alittle when i first hit the gas. Im thinking its the air screw or maybe main needle. anyway my elevation is 350-400ft and it ranges from 70-90 degrees. All suggestions are welcome.