INTAKE MANIFOLD

An intake manifold for an engine is arranged between a cylinder head port mounted on a cylinder head and a surge tank. The intake manifold includes: a first runner including a first end provided with a first inlet portion connected to the surge tank, and a second end that is branched at a position spaced apart from the first inlet portion by a predetermined distance and is respectively connected to first and fourth runners formed in the cylinder head port; and a second runner including a second end provided with a second inlet portion connected to the surge tank at a position adjacent to the first inlet portion, and a second end that is branched at a position spaced apart from the second inlet portion by a predetermined distance and is respectively connected to second and third runners formed in the cylinder head port.