Talk:Porsche Carrera GT (Championship)/@comment-34378272-20180908204753/@comment-35222164-20180910091431

I think 10-13:

-1 in every rookie box (5) makes 5

-1 or 2 in every Advanced Box (3) makes 3-6

-2 in the professial box, sadly we get only one of those instead of 2 as per usual...

So: 5+2+(3 to 6) = 10 to 13