CAN Flex Fuel Upgrade (344650) - WRX
Unlock the full performance potential of your vehicle with the COBB CAN Gateway Flex Fuel Kit, offering true plug-and-play installation and seamless integration of flex fuel capability. This system measures the exact ethanol content level of the fuel being pumped into your engine and transmits that critical data directly to the ECU for use in an Accessport delivered flex fuel calibration.
Featuring a billet aluminum CAN Gateway module with a precision-manufactured PCB, a custom-machined mounting bracket, a vehicle-specific wiring harness for 2018-2021 models, and a complete CAN ethanol sensor kit with quick-connect fuel lines, this setup delivers professional-grade reliability and seamless data injection.
Features
- True plug-and-play installation for seamless flex fuel integration
- Billet aluminum CAN Gateway module with a precision PCB
- Includes a vehicle-specific wiring harness for 2018-2021 models
- Complete CAN ethanol sensor kit with mounting bracket and quick-connect fuel lines
- Measures fuel ethanol content to optimize Accessport calibrations
Fitment
- 2021 Subaru WRX Sedan
- 2020 Subaru WRX Sedan
- 2019 Subaru WRX Sedan
- 2018 Subaru WRX Sedan
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

