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The COBB Flex Fuel Upgrade for 2015–2017 Subaru WRX (previous ethanol sensor to CAN) adapts an earlier ethanol sensor setup to a CAN-based flex fuel solution and includes a fuel pressure kit. It enables ethanol-based tuning while preserving CAN communications for these WRX model years. Specific installation and compatibility are limited to 2015–2017 WRX CAN systems.
Cobb 15-17 Subaru WRX Previous Ethanol Sensor Kit to CAN Flex Fuel Upgrade + Fuel Pressure Kit
