The exhaust system (40) includes a first exhaust tract (11) assigned to a first group of cylinders of the internal combustion engine, and a second exhaust tract (12) assigned to a second group of cylinders of the internal combustion engine. The first exhau...

The flap valve comprises a housing (1) with a rotatably installed shut-off flap (5) which is connected to an operating element located outside the housing via a rotation transmission component guided through an opening in one wall of the housing. A seal is...