You wont find one atm - because your Rank and Xp is done server-side and changing it client-side will result in the 547xxx error, meaning u cant join any servers (unless you do the reset trick posted on this site ). Hopefully one of the more skilled coders may learn how to bypass it in the future.
Here's hoping !!.
TBH - I like BLOP 2 HACK FREE ........ makes a change