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SVOboy · 09-03-2009, 01:38 PM

Perhaps they think slightly angles out towards the back is the direction of the airflow? Either way, before you install, I would tuft test your roof to see what direction the flow is actually going in.

09-03-2009, 01:38 PM	#2 (permalink)
SVOboy Dartmouth 2010 Join Date: Nov 2007 Location: Hanover, NH Posts: 6,447 Vegan Powa! - '91 Honda CRX DX Team Honda 90 day: 66.52 mpg (US) Thanks: 92 Thanked 122 Times in 90 Posts	Perhaps they think slightly angles out towards the back is the direction of the airflow? Either way, before you install, I would tuft test your roof to see what direction the flow is actually going in. __________________ EcoModder's best: Donate to EM \| Window clings \| EM Shirts \| Better Gas Mileage \| MPG Tracking More fun sites: Green Home Improvement \| crxMPG \| Benjamin FT Jones \| Vegan Recipes \| Car-free Living