RExhaust app for iPhone and iPad 4.6 ( 816 ratings ) Utilities Developer: 任远 张 Free Current version: 1.1.4, last update: 4 years ago First release : 16 Mar 2018 App size: 1.5 Mb 通过蓝牙连接对汽车排气阀门的开闭时机进行设置