Things You'll Need
Instructions
Navigate to Wii Save (see Resources) and choose which save you would like. The different saves contain all cars unlocked, all performance upgrades, all race tracks, tons of cash and other various saves. Click on the save to download to your computer.
Place the downloaded game save into the folder on your SD card labeled "rivate," "wii," "title," "your game code," "data.bin." on your SD card. Navigate to Wii Save Game Codes (see Resources) and make note of your corresponding game code.
Insert you SD card into your Wii and power it on.
Go to "Wii Options," "Data Management," "Save Data," "Wii." Select your old Pro Street game save, and delete if you do not have room for another pro street game profile. Go to the "SD" card menu and select your new Pro Street game save and choose "Copy" to copy the game save to your Wii memory.