For Supra Stainless Steel T4 Turbo Manifold with 50mm Wastegate - MK4 MarK IV 2JZ-GTE 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 44mm External Wastegate Port and Flange Included; Standard T4 Configuration Outlet