Patch available here:
http://forzacustoms.info/tools/hulk.ppf
Apply with PPF-O-Matic 3.0 here:
http://www.paradogs.com/pdx_ppf3.htm#ppfb
Ftp the game from your xbox to your pc, open up ppfomatic, and click on "open iso". You then have to tell it to show "all files" and then go to where you saved the default.xbe file on your pc. After that click on "open ppf" , its the second one, then just choose the "hulk.ppf" and then just tell it to patch the file. Afterwards it should tell you it did it successfully, then just transfer the new default.xbe back to your xbox overwriting the old default.xbe and it should all be good.