Hi protter, the New Experience mod has an xp multiplier in the config it is set to 1 as default but you can set it to a maximum of 100 which will give you 1000 xp per kill.
GitHub - leiizko/cod4_new_experience
@Rathard The only post you did on here: Any way to instantly level up on a CoD4X mod? - CoD4x Client - CoD4X Mod
Myself and others tried to help you and I see no evidence of what you claim here in your post
