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The COBB CAN Flex Fuel upgrade kit for 2018–2021 Subaru WRX delivers the module, harness, bracket and ethanol sensor needed to add CAN-based flex fuel control. Designed specifically for 2018–2021 WRX models, the kit supplies the electronic module and installation wiring plus the ethanol sensor and mounting bracket required to enable ethanol sensing and flex fuel functionality on supported vehicles.
Cobb 18-21 Subaru WRX CAN Flex Fuel Upgrade (Module/Harness/Bracket/Ethanol Sensor)
