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Old 03-08-2010, 02:24 PM   #141 (permalink)
Fubeca
EcoModding Lurker
 
Join Date: Oct 2009
Location: DFW
Posts: 87

The Truck - '06 Chevrolet Silverado Ext Cab 4x4
90 day: 18.5 mpg (US)
Thanks: 4
Thanked 33 Times in 15 Posts
No flapping, it is tight and sealed, no way for air to get under it.

I may work at filling the gap some, but not sure if I will get to it anytime soon. I don't often have the time to work on it or do testing.

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