Patent ID: 8167968

Claim:
An intake system for an engine of a vehicle, said intake system comprising: an air cleaner for cleaning air supplied to an engine; said air cleaner comprising an air cleaner housing having plural walls; wherein a stepped surface is formed in a stepwise manner on least one of said plural walls, said stepped surface comprising an inner step having a first step face, and an outer step arranged on a periphery of the inner step and disposed at a different level from the inner step, the outer step including a second step face; wherein said first step face is arranged above said second step face and has an inclined surface in a forward and downward direction such that said first step face and said second step face are formed in non-parallel manner; and wherein left and right edges of each of respective said first step face and said second step face are arranged closer to each other at a front end portion thereof in relation to left and right edges of each of respective said first step face and said second step face at a rear end thereof.