Patent ID: 6907726
Filing Date: 2005-06-21
Classification: F01N

Abstract:
1. An exhaust system for a V-type engine, comprising: first and second exhaust manifolds; first and second front exhaust pipes respectively connected to the first and second exhaust manifolds upstream thereof through first and second front catalytic converters, the first and second front exhaust pipes being joined together at end portions thereof to form a coupling portion; a center exhaust pipe connected to a downstream portion of the coupling portion, a main catalytic converter being disposed in the center exhaust pipe; a main heat protector disposed in the center exhaust pipe in the vicinity of the coupling portion; an auxiliary heat protector disposed in one of the first and second front exhaust pipes hat is longer than the other; and a rear exhaust pipe connected downstream of the center exhaust pipe, wherein the coupling portion is formed such that an angle between a center line of an end portion of the first front exhaust pipe and a center line of an end portion of the second front exhaust pipe is less than 20 degrees.