Pulsar PSR 90 Degree Elbow Adapter T3 / T4 3" V-Band Stainless Steel - 164313401 - PSR 90 Degree Elbow Adapter T3/T4 3” Vband Stainless Steel For T3/T4 Inlet turbine housings to 3” Vband manifold directly; For Vband Inlet turbine housing to T3/T4 manifold(A tubing is needed to weld 2 different flanges.) Made of high quality Stainless Steel Flange kit and hardware are included for installation easily. Application for T3/T4 Inlet turbine housings to 3” Vband manifold directly; for Vband Inlet turbine housing to T3/T4 manifold(A tubing is needed to weld 2 different flanges.)