For Honda/Acura B-Series Cast Stainless Steel T3 Top Mount Turbo Manifold T-304 Cast Stainless Steel Construction Flanged for T3 Turbocharger Top Mounted Turbo Orientation 44mm V-Band Wastegate Port / 44mm Primary Piping Inner Diameter 12mm Thickness Manifold and Turbo Flange / Thick 14 Gauge / 2mm Piping Wall