Yes, that is possible. If you change the numbers between <ap></ap>, then you'll see that you get some clothes. Unfortunatly you can't get them in a real game, idk why..
In Items.xml (not Defc.xml), you can change what clothes are the default ones. If you do that, it's not possible to join any game, because autokick blocks every Default clothes

.
Also, i have a tip for everyone who just bought (via BattleFunds) a XPBooster...
Go to Boosters.xml and search for the number 0.5 . Change that into 5 and you'll get 5x your given xp in stead of 0.5x. Don't change it higher then five, because PunkBuster can see how much xp we get and if that's impossible without editing files, you're banned...
Right now i'm trying to find a way to get a free XPBooster WORKING...
Does anyone know the solution to an expiered item? I mean, how do you get it to Unlim/6 months without paying... Because if i put the item id between <eq></eq>, it will say in game that you'll get the bonus, (green arrow), but none bonus is actualy given...