| 摘要 |
The present invention relates to an exhaust manifold for vehicles and a manufacturing method thereof capable of improving oxidation resistance and thermal resistance of a joining unit by connecting different kinds of boards inside the joining unit of a manifold. More specifically, the present invention provides the exhaust manifold for the vehicles comprising a plurality of branch units connected to an exhaust port by each cylinder of a vehicle engine and the joining unit joining the branch units as a single path and connecting to an exhaust pipe line. The exhaust manifold for the vehicles connects boards inside an exit of the joining unit and the material of the joining unit and the board is different. |
