The Forced Performance Blue turbo for 2015+ Subaru WRX is described with a 58mm compressor and a black turbine housing configured with an external wastegate and oil feed line. The product text specifies fitment for 2015-and-newer WRX models, the 58mm sizing, and the external wastegate with oil line; the unit is listed as drop-ship in the catalog entry.
Forced Performance 2015+ Subaru WRX Blue Turbo 58mm Black Housing External WG w/Oil Line (D/S Only)