TIP: Your gas tank is not required to just have all E85 fuel in it after installing this kit (hence the name Flex Fuel). Combined with a tuning device, it converts your Honda Civic to run on higher concentrations of ethanol (like E85) than is in standard pump gas. What is a Flex Fuel Kit in simple terms? It is basically a special sensor installed along one of your fuel lines that reads the amount of ethanol in your fuel, produces a signal, and sends a processed version of that signal to your ECU for use by your tuning device. Emissions Warning: This product is not designed for public highway or street use, and is only legal for formally sanctioned race use on a racing vehicle that may never be used on a public highway or street.
