this clearly needs more work as the ball isn't the orignal as seen here https://tcrf.net/Super_Monkey_Ball_(GameCube)#Old_Ball
using DIP_OLD_BALL on the DIP_SWITCH Debug Menu.and the hug isn't orignal as the timer bomb is different.
Right now if you want OG ball you need AR code
DFPT-YWKJ-KQRF6 QAM1-M3MP-9R87Q 499E-D42C-UD16V
then go to test mode from the Press Start menu and enable it.
shocking none of the screenshots used it