We have temporarily put all tuning system/ECU sales on hold while we implement policies to comply with new EPA rules and enforcement actions. Restricted sales on ECU's and tuning systems will resume soon with the new procedures to be sure we comply with regulations.

Collection: Flex Fuel / E85

E85 fuel is an excellent fuel for high-power output engines due to the nature of ethanol.  A flex-fuel system will allow you to run either standard pump gasoline or E85 fuel with ease.  Browse all of our E85 and flex-fuel products below to help you unlock the power of E85 fuel.
7 products
  • HA Motorsports Ethanol Sensor Plug-n-Play Harness for Hondata S300
    HA Motorsports Ethanol Sensor Plug-n-Play Harness for Hondata S300 - HA Motorsports
    Regular price
    $39.00
    Sale price
    $39.00
    Unit price
    per 
  • E85 / Flex-Fuel Ethanol Content Sensor
    E85 / Flex-Fuel Ethanol Content Sensor - HA Motorsports
    Regular price
    $78.95
    Sale price
    $78.95
    Unit price
    per 
  • KTuner Flex-Fuel (E85) Converter
    KTuner Flex-Fuel (E85) Converter - HA Motorsports
    Regular price
    $99.00
    Sale price
    $99.00
    Unit price
    per 
  • HA Motorsports Ethanol Sensor Plug-n-Play Harness for Hondata KPro
    HA Motorsports Ethanol Sensor Plug-n-Play Harness for Hondata KPro - HA Motorsports
    Regular price
    $39.00
    Sale price
    $39.00
    Unit price
    per 
  • Innovate Ethanol Content and Fuel Temperature Sensor Gauge Kit 3904
    Innovate Ethanol Content and Fuel Temperature Sensor Gauge Kit 3904 - HA Motorsports
    Regular price
    $229.00
    Sale price
    $229.00
    Unit price
    per 
  • Ethanol Sensor Connector Kit
    Ethanol Sensor Connector Kit - HA Motorsports
    Regular price
    $5.99
    Sale price
    $5.99
    Unit price
    per 
  • AEM 340 LPH E85 Compatible Fuel Pump with Install Kit 50-1200
    AEM 340 LPH Fuel Pump with Install Kit - HA Motorsports
    Regular price
    $119.98
    Sale price
    $119.98
    Unit price
    per 

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