Mazda 3 Bluetooth Flex Fuel Kit for the 2021+ 2.5L Turbo

Know your exact ethanol content in real-time via the Fuel-It! or JB4 app on your smartphone or tablet. If you're running E85 or ethanol mixes in your Mazda 3, you need this kit! This is a complete plug and play kit to install a Bluetooth ethanol sensor in your 2021+ Mazda 3 2.5L Turbo (Check compatibility for your platform below). The kit includes the following: Genuine Continental ethanol sensor Two stainless steel braided fuel lines with black nylon sheathing to protect your other engine bay components Proprietary custom billet fittings for plug and play OEM integration Fuel-It! Bluetooth analyzer (iPhone or Android app must be downloaded 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 found by clicking here   Repl