| 摘要 |
An exhaust manifold is disclosed that enhances the purification efficiency and lifetime of the catalyst in a catalytic converter. The manifold includes: a mixing chamber of a spheroidal shape having runners, each runner having one end connected to an exhaust port and the other end to the mixing chamber along the outer circumference thereof at an angle that causes rotation of the entering exhaust; and a diffuser to induce exhaust gas to diffuse widely before passing through the catalytic converter.
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