Ready to roll! 
Although the fairing can serve as a means to quiet the amount of noise, its primary purpose is to reduce the amount of drag that a given carrier/luggage has on your car.Yeah, I am still interested in a way to get the fairing on it. I see what you are saying about drag.
From rack outfitters:
10) Q: Will Thule fairings fit the AeroBlade?
A: No. The fairing exists primarily to help quiet down noisy load bars. The AeroBlade design is so quiet that wind tunnel testing showed a fairing actually made it louder.
Thule AeroBlade Frequently Asked Questions