For Honda D-Series Stainless Steel T3 Turbo Manifold with 35mm/38mm Wastegate Port - D15 D16 Made of High Quality T-304 Polished Stainless Steel Alloy Material for Strength and Durability Tubular Design with Equal Runners to Ensure Equivalent Exhaust Flow Rate from each Cylinder TIG Welded CNC Machined Flange for Resistance against Cracking and Wearing Increase Engine Exhaust Output and Efficiency 38mm/ 35mm External Wastegate Port and Flange Included; Standard T3/ T4 (T03/ T04) Configuration Outlet