Is there a way I can get rid of all my ONLINE HALO 3 Played Games and Experience?

[Metal Militia]

I want to get rid of all my experience and start from scratch...so is there a way I can delete that...?
Please Help

 

[StudMuffin10]

idk.. i actually wanted to do the same.. haha my brother and i share an account and he sucks ass and he doesn't think so but our K/D spread goes down whenever he plays.. ha.

 

[xxknockoutboyxx]

all you gotta do is create a new profile and membership play me somtime im knockoutboy88