Forced Performance Subaru STI XR Blue 73HTZ Turbo 84mm Black Housing Ext WG w/Oil Line (D/S Only)

The 84mm compressor housing on this Forced Performance XR Blue 73HTZ turbocharger is a key indicator of its airflow potential, designed to support significant power increases for your Subaru STI. This turbo features a black housing and includes an external wastegate with an integrated oil line, simplifying installation for the driver's side (D/S) setup. It's built to handle the demands of a high-performance engine, offering a substantial upgrade over stock components for those looking to push their STI's capabilities further.

Forced Performance has a reputation for well-built turbochargers, and this XR Blue series unit is no exception. The turbine wheel is designed for improved responsiveness, aiming to reduce lag while still providing ample top-end power. The external wastegate setup allows for more precise boost control compared to an internal unit, which is crucial for maintaining consistent power delivery and protecting your engine under aggressive driving conditions. This turbo is intended for enthusiasts who are serious about maximizing their STI's performance and are undertaking a comprehensive engine build.

When installing a turbocharger of this caliber, it's important to ensure all supporting modifications are in place. This includes proper fuel system upgrades, an engine management system capable of handling the increased airflow, and an exhaust system designed to complement the turbo's flow characteristics. Given its performance focus, this turbo is not CARB approved and cannot be shipped to California. Always consult the manufacturer's installation guide for specific details regarding fitment and required supporting components to ensure optimal performance and reliability.