Заслонка якогось лючка типу як на вихлопну трубу... https://www.google.com/search?rlz=1C1GGRV_enUA780UA780&source=univ&tbm=isch&q=лючок+от+выхлопной+трубы&fir=ycEvnAFarq1IqM%2CfD4ODFUXC0ctYM%2C_%3B4NG_9B6Ut-X3VM%2CcwMg5OS7rq4Y8M%2C_%3BvhzumvPT0bZz4M%2CD8BR2Y1fWbGL9M%2C_%3Bm10b3UDMUouTxM%2CBDfHTw36ErTdNM%2C_%3BVI3n8dhmUNc6zM%2CNBaqXxqAl-ISKM%2C_%3BNaRauYhoLI7K-M%2CNBaqXxqAl-ISKM%2C_%3Bn0MAYHNW93kaDM%2C3ADCc1CYmTHW2M%2C_%3BtVcTvb4_HYgEXM%2CIujaqVgqhqknwM%2C_%3BKvlg2UvokAeQzM%2CVCk8RxwJZP4RmM%2C_%3BouGyNg7OvdyixM%2CVCk8RxwJZP4RmM%2C_&usg=AI4_-kQL36h5DEhfffoOzw1anGUggiOcjA&sa=X&ved=2ahUKEwj69MjXg4L0AhVxoosKHbeyC_kQjJkEegQIBRAC&biw=1366&bih=657&dpr=1
