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The COBB fuel pressure regulator kit for 2008–2021 Subaru WRX STI applications provides a direct way to control fuel pressure at the regulator. Offered as a complete kit for these Subaru models, it serves as the core component to maintain or adjust fuel pressure for proper fuel delivery when modifying or servicing fuel systems on supported STI engines.
Cobb 08-21 Subaru STi Fuel Pressure Regulator Kit
