Subaru Bluetooth Flex Fuel Kit the 2022+ WRX

  • $439.95
Shipping calculated at checkout.

SKU: SUB-FFK-A01

If you're running E85 or ethanol mixes in your 2022+ Subaru WRX you need this kit!

This is a complete plug & play kit to install a Bluetooth ethanol sensor in your 2022+ Subaru WRX in about 15 minutes.



Know your exact ethanol content in real-time via the Fuel-it! or JB4 app on your smartphone or tablet.

The kit includes the following:

  • Genuine Continental® ethanol sensor
  • Proprietary custom billet fittings for plug and play OEM integration
  • Fuel-It! Bluetooth analyzer (iPhone or Android app must be purchased to use this kit)
  • Plug and play harness
  • Includes both Bluetooth App & 5v analog output for JB4 or flash tuning
      • Bluetooth (iPhone or Android app must be downloaded to use this feature)
      • If you are using an Apple product the app can be found by clicking here
      • If you are using an Android product the app can be clicking here

Vehicle Fitment

  • 2022+ Subaru WRX 2.4L

*For the 2022+ 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.

*If you aren't sure whether this kit fits your car, send us a picture of your engine bay with the engine cover removed to info@fuel-it.com

subaru wrx e85 ethanol content sensor app
subaru wrx e85 ethanol content sensor app


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