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The COBB Flex Fuel Upgrade and fuel pressure kit for 2018–2021 Subaru WRX (CAN) provides a CAN-based ethanol sensor and fuel pressure solution to enable flex fuel operation. Offered as an upgrade package, it integrates with the vehicle's CAN communications and includes the necessary fuel pressure components for ethanol tuning. Fitment is specific to 2018–2021 WRX models.
Cobb 18-21 Subaru WRX CAN Flex Fuel Upgrade + Fuel Pressure Kit
