what jet should i use on a kfx400 with full curtis sparks and K&N?

[Silver400EXinBR]

I am in baton rouge, la so the elevation is lower than most but I am putting a full curtis spark exhaust and a K&N filter what jetting should I use???? thanks for the help...- Randy

[04-KFX400]

What airbox mods do you have?

Look at my sig for jetting specs...yours should be close.