Patch Removal
When you remove the Xbox Live patches, you can do all the glitches that were patched, but this removes the patches for all of your games. No saved game data will be lost, but you will need to repatch everything when you sign-in to Xbox Live, as well as risk being stranded in a modded map that was removed.

Go to the system blade on the dashboard. Select memory and push the GREEN button.
Select hard drive. Press YELLOW to view device options.
When the page opens press BLUE, BLUE, LB, RB, BLUE, BLUE.
A message, "This will perform maintenance on your xbox 360 storage devices. Do you want to continue?" Select "yes" and press GREEN to execute.
Restart your Xbox 360 with the uninstall