Dewhel Universal Aluminum Turbo Wastegate Boost Vacuum Intake Manifold 6 Port 1/8 (Black) universal boost/vacuum manifold(vacuum distributor) Made of high quality CNC machined T6061 billet aluminum Doesn't come with installation instructions Inlet & outlet 1/2 NPT ,Small 1/8 NPT.(Fitting Ports for Such as Boost Controler,Map Sensor,Fuel Pressure Regulator,Boost Gauges,Blow Off Valve Bov and Any Other Fuel/Ignitin Management Components That Require A Vacuum Source) Desigh for Turbo Nitrous,Supercharger Cars and Individual Throttle Body That Require Multiple Vacuum Sources.