Turbo XS Electronic 3-Port Boost Control Solenoid Kit Subaru STI 2008-2021 | WS08-BCS 0mm **Urethane inserts sold separately as

**Urethane inserts sold separately as part # TS-SU-604 Click Here

This wheel clears Subaru STI Brembo brakes

Amsoil Synthetic Shock Oil

but need to have it recirculated back into your intake stream to keep your OEM computer happy

Turbo XS Electronic 3-Port Boost Control Solenoid Kit Subaru STI 2008-2021 | WS08-BCS 0mm **Urethane inserts sold separately asFitment Information: 2008 2021 Subaru STI Features: The TurboXS Boost Control Solenoid is designed to replace the factory 2 port boost solenoid with a 3 port. This part is required for great boost control on your WRX when using an aftermarket Downpipe or Upgraded Turbocharger.