Specifications and Features: Material: SUS304 Stainless Steel Easily adapt from a Garrett G40, G42 or G45 housing to 4 Inch pipe work A ready-to-weld, cast stainless steel flange, that transitions to your required pipe size, aimed at making your dump pipe fabrication better, faster and easier! Features a smooth, compact transition from the turbine outlet to pipe diameter, and a small internal lip to make welding you outlet pipe a breeze. Package Contents: 1 x Turbo Exhaust Outlet / Dump Pipe Flange