Turbosmart's WG40 Outlet Weld Flange is designed for Turbosmart Comp-Gate40 (40mm) External Wastegates. Turbosmart's WG40 Outlet Weld Flange is made from high-grade steel materials, making it a reliable and durable replacement or upgrade part for your Turbosmart system. With its easy installation process, you can be sure that your Turbosmart system will perform at its best. Turbosmart's WG40 Outlet Weld Flange allows you to get the most out of your Turbosmart setup and ensure your external wastegate is working at its best.