The exhaust system (3) has an exhaust manifold (7) for closing the exhaust system in an internal combustion engine (2). The exhaust gas cleaning device (12) and a sound absorber (13) are provided in the exhaust system, and the exhaust pipe end is opened for surrounding (8). The sound absorber is formed as active sound absorber, which is operated with a loudspeaker (17) for anti-sound generation.
