Once you install the save file, fire up the game and test these monsters:
For power users: the Need for Speed: Hot Pursuit 2 save file is mostly unencrypted. Using a hex editor (HxD), you can: need for speed hot pursuit 2 gamecube save file
This is painstaking work. For 99% of players, downloading a verified 100% .gci is the better route. Once you install the save file, fire up
This is the standard for the modding community. This is painstaking work
If you don't have a Wii, you can use the official "SD Media Launcher" by Datel.
Warning: Always back up your original save file before overwriting it. Some save files are region-locked (USA vs PAL). Ensure your save matches your game disc's region code.