That is a complete and utter waste of 170 dollars, go buy a underdrive pulley and a 6 pack, you'll come out with more power and a few laughs.
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"I'm not driving too fast...just flying too low"
Mine:
-87 ranger- broke
-03 SB Cobra vert- 2552 of 5082 Born 02/25/03
Our's:
90 7up vert - new project
Or if you really want to find out go to a local marina and buy one, it's a $60 bilge blower designed to exhaust fumes from the bilge of a boat, not force air into anything.