| 摘要 |
PROBLEM TO BE SOLVED: To provide always superior exhaust emission control performance of a catalyst regardless of a degree of an engine speed of an engine while reducing a space of an exhaust system. SOLUTION: A gathering part B for gathering the mutual downstream sides of a plurality of manifolds A1 to A4 of an exhaust manifold M, has a gathering gas turning passage part Rs curving so as to turn around the axis L of a cylindrical casing 2 of a catalytic converter C on at least the downstream side of the final confluent position X of exhaust gas from the whole manifolds A1 to A4, and the downstream end of the gathering gas turning passage part Rs points to the axis L side, and is is connected to an opening part I arranged in a tip central part of an inlet cylinder part 2a of the casing 2. COPYRIGHT: (C)2004,JPO
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