Exigent Solutions flex fuel kit that uses an Innovate MTX Ethanol Content gauge, along with our custom wiring harness using premium milspec wire.  This is a 100% Plug and Play kit.  This will enable the use of flex fuel on Tephra mod v3. The gauge will give you real time data of ethanol content to a gauge, without the need for any other devices. 
The kit comes with everything you need to install including PTFE rated fuel line and connectors.