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Subaru WRX Bluetooth Flex Fuel Kit for the 2022+

Subaru WRX Bluetooth Flex Fuel Kit for the 2022+

Retail Price $439.95 USD
Retail Price $479.95 USD Sale price $439.95 USD
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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.

(Check compatibility for your platform below)

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

This kit is compatible with the following

  • 2022+ Subaru WRX 

*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

*Ethanol Sensors don't actually read the ethanol content, the readings are based on the absence of gasoline, so if your fuel is contaminated your ethanol readings may be artificially elevated.

 Fuel-It! E85 Ethanol Content Tester


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