Subaru EZ30 Exhaust Flanges Pair, Billet Stainless Steel 304 CNC machined, Turbo Flanges Our Subaru EZ30 exhaust flanges are designed and drawn by ourselves, then machined using a CNC Milling machine and a stone Grinder on the face for a perfect flat sealing surface. Made using Billet Stainless Steel 304, designed to be used with Schedule 10, 1.5" pipe.   Ideal for someone looking to make a custom manifold or header for there Subaru EZ30 engine. This Listing is for a Pair of Flanges