Exhaust gas system for internal combustion engine has control flap on main gas pipe in interior cavity preferably adjacent to entry side of casing

摘要

The exhaust gas system has a control flap on the main gas pipe in the interior cavity (16), preferably adjacent to the entry side (19) of the casing, which can influence the gas flow. Upstream of this flap there are through apertures in the main tube on the sector running towards the exit side (20), through which the exhaust gas flows.