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The TurboXS boost control solenoid kit replaces the factory two‑port solenoid with a three‑port unit for 2008–2014 Subaru WRX models. Required when running an aftermarket downpipe or upgraded turbocharger, it provides improved boost control to support tuned turbo systems. The kit directly replaces the factory component to help achieve more consistent and tunable boost behavior under modified conditions.
Turbo XS 08-14 Subaru WRX Boost Control Solenoid Kit
