Predator Jetting

[rob-u/21]

If I was to put these mods on a predator what jet size would I have to use
1. white brothers pipe
2. k & N air filter
3. air box modification (3x4 hole in the back covered with
outerware.

[Z400central]

im not sure actually, jetting is the area i know really nothing about....But....have you tried Pred500Central.com? also..noticed your in SD, where did you get your predator from? and how much OTD if you dont mind me asking? thanks! :)