Premium flange for the inlet of the OE Audi WG's Wastegate Flange AUDI S2 RS2 Inlet Stainless steel wastegate flange Premium flange for the inlet of the OE the Audi WG/s This flange is used to fabricate an exhaust manifold which fits the favored Audi S2 or RS2 wastegate of the 5-cylinder 20V turbo engines. All turbo related flanges are CNC milled and guarantee a perfect smooth surface and 100% accurate measurements. Additionally we supply stainless elbows and collectors needed for the fabrication of an exhaust turbo manifold, exhaust systems and more. Material: Stainless steel 1.4301 / SS304 Thickness: 10mm