Our 10mm thick M103 exhaust flange set is designed for building your own header manifold, the ports are large enough to allow a “slip inside” fit of the primary tubes so that they can be welded from the inside (& or outside) if you choose. Pipes up to 45mm “OD” (outside diameter) can be used.
Our 10mm thick M103 exhaust flange set is designed for building your own header manifold, the ports are large enough to allow a “slip inside” fit of the primary tubes so that they can be welded from the inside (& or outside) if you choose. Pipes up to 45mm “OD” (outside diameter) can be used. if you want to build a tuned length n/a header these flange sets will get you started.