2006-08-31 17:31:37 · 7 answers · asked by Scott K 1 in Cars & Transportation ➔ Maintenance & Repairs
NO....an episode of mythbusters concluded that they do nothing for your gas mileage, and may lower it a little.
2006-08-31 17:33:39 · answer #1 · answered by heavyhand002 3 · 1⤊ 0⤋
no they don't work at all,its a gimmick,,just think about it for a minute if it worked the new cars would have it on them,,it would make them sell better,,all this stuff is put out there to make ,money on,,they figure it like this ,,if they sell a 100 of them,,and only 5 0 come mack,,they have ,made a clear profit on a bunch of the,,because most people now days wont bother o send things back because of the shipping cost,,and they know this,,so there counting on selling a bunch of them,,and if only 50% of them get returned,,they have probably made over a million bucks,,it makes sense don't it,,good luck,,i hope this help,s.
2006-09-01 00:39:04 · answer #2 · answered by dodge man 7 · 0⤊ 0⤋
Nothing like that works.
2006-09-01 00:47:18 · answer #3 · answered by yahoohoo 6 · 0⤊ 0⤋
NO ! Do a tune-up or get something with a smaller engine....
2006-09-01 00:35:17 · answer #4 · answered by MIGHTY MINNIE 6 · 0⤊ 0⤋
Don't we all wish it was that easy?
2006-09-01 00:49:34 · answer #5 · answered by William R 2 · 0⤊ 0⤋
no,they are a scam
2006-09-01 01:55:11 · answer #6 · answered by frank m 5 · 0⤊ 0⤋
No.
2006-09-01 00:32:52 · answer #7 · answered by Anonymous · 0⤊ 0⤋