Exhaust manifold flange Volkswagen Golf 1800 20v - Audi TT 1800 20v Turbo to create 12mm thick exhaust manifolds (suitable for becoming approximately 10-11mm after relative flattening and not like the classic ones found on the market from 10 which becomes 8mm causing venting and warping.
Using this flange you can build your own manifold or make templates for specific exhaust manifold applications.
Choose the material type from the menu between steel and stainless steel.