Downpipe designed for: Mercedes Benz C43Downpipe by TurboWorks, is made of 100% stainless steel. Inlet diameter: 57 mm Outlet diameter: 57 mm The downpipe for: MINI Cooper S F56 2.0T Downpipe from TurboWorks, is made of 100% stainless steel. Inlet Diameter: Outlet Diameter: