Exhaust manifold for internal combustion engines

摘要

An exhaust manifold which includes a flange to be fixed on an engine cylinder head. A wide exhaust gas collecting cavity is connected to the flange to receive exhaust gases discharged by exhaust pipes of the cylinder head. The wide collecting cavity has a recessed wall element subdividing the cavity into two mutually communicating sub-cavities. An end portion is connected to the collecting cavity outlet and has a discharge outlet for the exhaust gases.