When I bought my tC, they asked me if i wanted to continue the order with the TRD springs, Short shifter, and Super charger. I had the car ordered, but they had to order those (TRD Items) seperatley. I'm not sure if they would have added it in to my total; but I said forget it because they wanted to charge 600 bucks for installing the super charger; and 800 bucks for installing the springs. I said I'd order form them later on and get them installed somewhere else or something. Oh and for the super charger, it wasn't out yet but I coudl still order it; but I decided not to; more payments wasn't what I needed at that time. Also the guy told me it would probably be better to wiat for it anyway. So, I was like,"you're the boss." B.T.W. I still havent ordered any other TRD things..haha I just ordered a TWM shortshifter; and might get another brand of springs. As for the super charger... I'll wait and see how people's reactions to it are; to see if it is really worth it (the money).