EXHAUST SYSTEM FOR AN INTERNAL COMBUSTION AUTOMOTIVE ENGINE

摘要

An exhaust system for an internal combustion automotive engine comprising a left exhaust tract connectable to a left group of cylinders and a right exhaust tract connectable to a right group of cylinders of the internal combustion automotive engine, each exhaust tract comprising a tract inlet for receiving exhaust gas ejected from the group of cylinders to which the exhaust tract is connectable, at least one exhaust outlet opening into the atmosphere, and a connection pipe extending between the tract inlet and the exhaust outlet, including an inlet aperture for receiving exhaust gas from the tract inlet and an outlet aperture for transferring exhaust gas towards the exhaust opening; wherein the left connection pipe and the right connection pipe are joined to realize a pipe junction which forms a common connection aperture for transferring exhaust gas between the tracts and wherein the exhaust system comprises at least one valve member for opening or closing the common connection aperture.