To create a side port connection for e.g. diverter valves / Bov BOOST Products Aluminium T-piece Adapter 50mm Pipe, 25mm Connection For making a departure in hoses Aluminium T-piece Adapter for making a departure in a hose. For example for a crankshaft housing ventilation or a Blow Off exit in air charge lines or intakes. Length: ca 100mm Outer diameter Pipe: 50mm Outer diameter Connection: 25mm