For Nissan 240SX Cast Iron T3/T4 Turbo Manifold - S13 S14 Made of High Quality Cast Iron Material for Strength and Durability Computerized Mandrel-Bended to Maximize Air Flow Smoothness 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 Turbo Flange Configuration Outlet