Vortech Fuel Management Unit 8:1The Vortech Standard Fuel Management Unit (FMU) is designed for use on multi point electronic fuel injected engines. It is a secondary fuel regulator that installs in series with a stock regulator on the return line to the tank. The unit increases fuel pressure in proportion to boost pressure (this assumes the pump being utilized is of sufficient pressure and flow to deliver the fuel required). All Vortech FMUs feature CNC machined, 6061 T6 aluminum