OBX Mild Steel Turbo Flange - T3 Turbine Inlet OBX Mild Steel Turbo Flange - T3 Turbine Inlet This high quality flange is made with premium grade mild steel. When shopping for the best in auto parts and accessories, OBX-R is the premier place to go to! Dont miss out on your chance to upgrade your car with quality parts! 0.45" thick flange CNC machined from billet premium grade steel for accurate fitment and strength Limited Lifetime warranty against manufacturer defects OBX Racing Sports offer an extensive range of high-quality aftermarket automotive products for imports and domestic vehicles. OBX Racing Sports sets and maintain the industry's high expectations by using applicable highest grade materials and latest machinery along with advanced cutting edge manufacturing technologies. Made from a single piece of the best quality mild steel that are then CNC precision machined to the right shape for the smoothest flow characteristics possible.