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The Forced Performance blue XR turbocharger for Subaru WRX and STI applications features a 58mm CH8CM turbine housing with an external wastegate and includes an oil feed line. The XR 73HTZ model cue and CH8CM sizing describe the turbine geometry; the external WG keeps boost control separate from the housing. Choose this external-wastegate XR option when that housing and WG arrangement match your WRX or STI installation.
Forced Performance Subaru WRX/STI XR Blue 73HTZ Turbo 58mm CH8CM Turbine Hsg External WG w/Oil Line
