The Forced Performance Subaru STi 7151S UHF turbocharger with a 58mm ported housing is supplied for applications needing an external wastegate and an oil feed line; this listing notes the unit is for the driver side only. It’s provided as a high‑flow turbocharger option intended to replace or upgrade the factory turbocharger for compatible STi platforms.
Forced Performance Subaru STi 7151S UHF Turbo 58mm Ported Housing External WG w/Oil Line (D/S Only)