Forced Performance Blue 73HTZ turbo for Subaru STI is a 58mm compressor unit with a black housing and internal wastegate equipped with an oil line, described for compatible STI models. The overview presents the core hardware and internal WG configuration taken directly from the product description without implying additional changes or fitment beyond the listed platforms.
Forced Performance Subaru STI XR Blue 73HTZ Turbo 58mm Black Housing Int WG w/Oil Line (D/S Only)