Subaru WRX Flex Fuel Kit - COBB - Ethanol Sensor to CAN Flex Fuel Upgrade + Fuel Pressure Kit - 18-21. This package converts your earlier COBB analog ethanol sensor setup to the CAN-based Flex Fuel system and adds a fuel pressure kit for cleaner integration and richer data.

Built for 2018-2021 WRX cars already using the COBB Ethanol Sensor Kit, this upgrade routes ethanol data over the CAN network for improved signal quality and direct ECU/Accessport integration. The included fuel pressure kit adds a pressure sensor with plug-in harness and fittings for dependable monitoring and logs. Reuses your existing ethanol content sensor. A compatible Accessport and custom calibration are required for proper operation across blends.

Features

• Converts prior analog Flex Fuel to CAN-based architecture
• Ethanol content and fuel temp broadcast over CAN for improved logging
• Fuel pressure sensor, harness, and fittings included
• Vehicle-specific wiring for 2018-2021 WRX; tune required for all blends

Questions or ready to schedule install? Call 512-982-9393 (TX) or 562-981-6800 (CA). We have two locations in Austin, Texas and the Los Angeles, California area offering installation and customization services. If you are considering multiple items, contact us for potential shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov