uhm, i'm guessing it came with a turbonetics tag on it didn't it?
xs power seems to sell knock off type shit...
you can get the whole turbo kit on ebay brand new with a buy it now of 900-925, starting bids at 799.00
i would research the turbo and make sure it not a knock off cause i have heard horror stories about knock off turbonetics turbos being epoxied together and other shit...