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The Forced Performance blue XR turbocharger for Subaru WRX and STI applications features a 58mm CH8CM turbine housing and an internal wastegate, supplied with an oil feed line. The XR 73HTZ naming and CH8CM sizing indicate this variant’s turbine geometry while the internal WG keeps boost control inside the housing. This unit is offered for WRX/STI platforms that require the specified CH8CM turbine and internal WG layout.
Forced Performance Subaru WRX/STI XR Blue 73HTZ Turbo 58mm CH8CM Turbine Hsg Internal WG w/Oil Line
