Thread: Can the mph that raises the rear spoiler be changed?
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Old 01-31-2015, 09:33 PM   #12
Topless
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Join Date: Nov 2006
Location: Southern ID
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A little bit of science and aerodynamics:

https://www.youtube.com/watch?v=TKH1DyV9vNU
Pickup Truck Tailgates | Fuel Economy - Consumer Reports News
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