4.0TFSI Fuel Line Re-Route kit for engine bay fuel supply. Necessary for e85 ethanol flex fuel applications and all bigger than stock turbos.  This line kit is Alcohol safe!

Optional upgrade 1 includes Flex Fuel Sensor Kit

Optional upgrade 2 includes Flex Fuel Sensor Kit and Autotech HPFP internals

Optional upgrade 3 includes Flex Fuel Sensor Kit, Autotech HPFP internals and Dyno Spectrum DS1(Everything needed to run full flex fuel on larger turbos)

Optional upgrade 4 is just the dual Autotech HPFP internals