TurboWorks exhaust manifold is made of 100% cast iron. It is dedicated to VW GOLF IV R32 24V for turbines with T4 flange (GT30, GT32, GT35 / 40, GT35, GT37, GT40, GT42). Wastegate 35 / 38mm. engine tuning, the exhaust manifold should be replaced at the very beginning, because the exhaust gases extruded from the cylinder go to the exhaust manifold, which is part of the engine body, then they are directed to the first section of the exhaust pipe, and then to the silencer, or several silencers arranged in series and then to the exhaust end of the exhaust pipe. Dimensions on the sketch in the gallery. 12 months warranty issued by TurboWorks Polska - the exclusive distributor for Poland. We also offer lambda probe adapters that eliminate the catalyst error. Additional accessories are also available for exhaust manifolds: & nbsp