Exhalation valve (throttle) wirelessly controlled by a remote control. Enables control of exhaust gas flow and exhaust volume. The set consists of: 1 pc - exhaust valve (exhaust throttle); 1 pc - control management unit equipped with a bluetooth module (the unit is designed to support max. Two throttles); 2 pcs - remote controls for opening and closing the damper. Also available are sets with two dampers included controlled by means of one central unit (for cars equipped with two silencers on the left and on the right).