Vibrant Merge Collectors make fabricating your Turbo Manifold much easier, less time consuming and more cost effective.- Each collector is made from T304 Stainless Steel Schedule 10 pipes for optimum strength and durability- Each Pipe is precision cut and assembled to create a proper merge for optimum scavenging of exhaust gases.- Each collector is tack welded together to allow fabricator the ability to make any necessary angle adjustments before fully welding the manifold.Details:--------- Designed for use with GT28/30/35 Tial Turbine Inlet Flanges- Pipe O.D.: 48mm (1 7/8")- Height: 115mm (4 1/2")- Outlet: 54mm (approx).