exhaust (n.)youdaoicibaDictYouDict[exhaust 词源字典]
"waste gas," 1848, originally from steam engines, from exhaust (v.). In reference to internal combustion engines by 1896. Exhaust pipe is from 1889.[exhaust etymology, exhaust origin, 英语词源]
tail-pipe (n.)youdaoicibaDictYouDict
also tailpipe, 1757, "small pipe fixed at the swell of a musket to receive the ramrod," from tail (n.1) + pipe (n.). From 1832 as "suction pipe of a pump;" 1907 as "exhaust pipe of an automobile."