I'm selling my original Supercharger off of my 2011 Audi S4. There are about 57k miles on this supercharger. It has an APR upgraded performance pulley on it already. There is nothing wrong with the supercharger. I took it off because I upgraded to a bigger unit. This supercharger will fit any Audi 3.0t supercharged car. I am also including the plastics and the belt.