Roof Rail drag - Fuelly Forums

Roof Rail drag - Fuelly Forums

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Roof Rail drag

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04-07-2007, 12:41 PM	#1
GasSavers_nemo Registered Member Join Date: Apr 2007 Posts: 4 Country: United States Fuelly Page	Roof Rail drag Have anyone seen any figures on how much the roof rails without the rack add to CD value? __________________

04-07-2007, 04:21 PM	#2
GasSavers_Brock Team OPEC Busters! Join Date: Oct 2006 Posts: 196 Country: United States Fuelly Page	I would think it depends on the vehicle. Some one ran a test on the Jetta wagon and found taking the rails off actually increased the CD. They are quite low to the roof though; they must somehow smooth out the airflow.

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