This is for all the BRZ guys. I need to trade my Grimmspeed CAI for a Stock Air Box so i can run my new Sprintex Kit. The Grimmspeed air box has a little damage to it from where i tried and failed to cut it to fit the intake for the supercharger but it still seals correctly. Not looking for any cash to change hands. I give you my CAI you give me your stock air box. You get a free NA upgrade and i can finally run my SC.