Silencer arrangement for exhaust systems of motor vehicles with an internal combustion engine, comprising a. a silencer with i. an exhaust gas flow pipe for feeding exhaust gas, which exhaust gas flow pipe has - at least one exhaust gas inlet opening and - at least one exhaust gas outlet opening which has a flow connection to the at least one exhaust gas inlet opening, ii. at least one adjustment body, which can be adjusted between an opening position and a closed position, for influencing the exhaust gas flow in the exhaust gas flow pipe, and iii. at least one adjustment drive which is connected to the at least one adjustment body in order to adjust the latter, and b. a control device which has i. a velocity signal input for receiving velocity signals of the motor vehicle, ii. an engine speed signal input for receiving engine speed signals of the motor vehicle, and iii. a data-transmitting connection to the at least one adjustment drive for adjusting the at least one adjustment body, wherein the control device calculates the gear speed signals as a function of the velocity signals and/or the engine speed signals, and the control device activates the at least one adjustment drive as a function of the velocity signals and the engine speed signals and gear speed signals of the motor vehicle in order to adjust the at least one adjustment body. a. a silencer with i. an exhaust gas flow pipe for feeding exhaust gas, which exhaust gas flow pipe has - at least one exhaust gas inlet opening and - at least one exhaust gas outlet opening which has a flow connection to the at least one exhaust gas inlet opening, ii. at least one adjustment body, which can be adjusted between an opening position and a closed position, for influencing the exhaust gas flow in the exhaust gas flow pipe, and iii. at least one adjustment drive which is connected to the at least one adjustment body in order to adjust the latter, and i. an exhaust gas flow pipe for feeding exhaust gas, which exhaust gas flow pipe has - at least one exhaust gas inlet opening and - at least one exhaust gas outlet opening which has a flow connection to the at least one exhaust gas inlet opening, - at least one exhaust gas inlet opening and - at least one exhaust gas outlet opening which has a flow connection to the at least one exhaust gas inlet opening, ii. at least one adjustment body, which can be adjusted between an opening position and a closed position, for influencing the exhaust gas flow in the exhaust gas flow pipe, and iii. at least one adjustment drive which is connected to the at least one adjustment body in order to adjust the latter, and b. a control device which has i. a velocity signal input for receiving velocity signals of the motor vehicle, ii. an engine speed signal input for receiving engine speed signals of the motor vehicle, and iii. a data-transmitting connection to the at least one adjustment drive for adjusting the at least one adjustment body, i. a velocity signal input for receiving velocity signals of the motor vehicle, ii. an engine speed signal input for receiving engine speed signals of the motor vehicle, and iii. a data-transmitting connection to the at least one adjustment drive for adjusting the at least one adjustment body,