Keep in mind:

- Ghost data can be shared between both Mac and Windows

- Make sure you do not alter the name of the Ghost data

- Ghost data will only be available after you have completed the corresponding track while playing on the Ghost update or later (1.1.0 +)

Mac: 

Open Finder and on the menu bar click "Go". In the dropdown menu click "Go to Folder..." (or press Command+Shift+G). Copy and paste the following text (including the tilde ~ )

~/Library/Application Support/Pinkuin Game Studios/Braking Bad

In this folder there will be ghost data that you can share with your friends, all you need to do is replace the corresponding file with one of your friend's files. E.g. replace your "Track 1_GhostData.txt" with your friend's "Track 1_GhostData.txt".

Windows:

Head to the folder at:

%userprofile%\AppData\LocalLow\Pinkuin Game Studios\Braking Bad

In this folder there will be ghost data that you can share with your friends, all you need to do is replace the corresponding file with one of your friend's files. E.g. replace your "Track 1_GhostData.txt" with your friend's "Track 1_GhostData.txt".