Running E85 or ethanol blends on your 2022 onwards Subaru WRX 2.4L? This Bluetooth flex fuel kit lets you monitor ethanol content accurately in real time, straight to your smartphone via the Fuel-It or JB4 app. Supplied by Nforcd and designed as a true plug and play upgrade, it installs in about 15 minutes and integrates neatly with the factory fuel system.
- Genuine Continental ethanol sensor for dependable readings
- Custom billet fittings for seamless OEM-style integration
- Fuel-It! Bluetooth analyser with app support and 5v analogue output for JB4 or flash tuning
- Plug and play wiring harness for a straightforward install
- Real-time ethanol content displayed in the Fuel-It! or JB4 app
- Ideal for E85 and ethanol mix monitoring on tuned WRX models
Vehicle fitment: 2022 onwards Subaru WRX 2.4L
JB4 setup note: For the 2022 onwards Subaru WRX JB4 platform connect the white wire to position 16 on the JB4 25 pin harness. Select WMI Ethanol Setup option 1 to enable pin location 15/16 flex fuel input.
Bluetooth functionality requires the Fuel-It! app for iPhone or Android. The app must be purchased separately.
Order from Nforcd with confidence. This kit is a popular choice for WRX owners who want precise ethanol content monitoring to support tuning and reliability. Professional fitting is available through Nforcd in Warwickshire. To request a quote, email Sales@nforcd.com.


