Quote from armmat :

How stupid that you have to unlock S2 to use this...what the hell is the point if I want to simply tweak the demo cars and play single player? Smells like grubby hands trying to make more money to me.

Mate if you want the tweak, buy a license. If you cant afford one then dont get all upset at people who have given you great content in a Demo for nothing."Grubby hands" ha this from someone who wants something else for nothing. Try to grow up a bit mate.