The Forced Performance Subaru STi blue turbo with a 58mm compressor and black housing includes a ported internal wastegate and oil line, aimed at STi platforms. This unit supplies increased airflow for tuned engines while maintaining compatibility with Subaru turbo plumbing. It’s a practical selection for drivers seeking an upgrade that balances spool characteristics with higher top-end power.
Forced Performance Subaru STi Blue Turbo 58mm Black Housing Ported Internal WG w/Oil Line (D/S Only)