Extract the $SystemUpdate folder to the root of your FAT32 USB drive.

Your hardware: A battered Xbox 360 (Trinity motherboard) with a chip glowing blue. Your weapon: JTAG-Xplorer and a 2TB USB drive humming with the ghosts of arcades past.

The Ultimate Collection typically consists of two discs (Kinect Sports Season 1 and Season 2) along with bonus content.