| 摘要 |
PROBLEM TO BE SOLVED: To provide an exhaust manifold capable of preventing exhaust interference with a small number of part items. SOLUTION: An outer shell member 4 forming one exhaust chamber 18 in communication with each exhaust port P1-P4 is provided, and the exhaust chamber 18 has branch chambers 20-23, which are in communication with the exhaust ports P1-P4 respectively and is formed by partitioning each space between the exhaust ports P1-P4 by throttle parts 21-23, and a gathered pipe chamber 32 where the branch pipe compartments 20-23 gather.
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