K&N filter jetting

[paul_700]

I just picked up a used 400ex with a WB slip on and a K&N filter. The jetting seems a little off to me. Does anyone know what jetting changes are usually required for a slip , a K&N or both??

[99_300ex]

well it this means anythign to you the filter probably wouldent make you have to rejet but sry i dont know about the pipe.