Thule Roof Rack Wind Deflector 38 Inch Plastic Black - 8701 | HighSkyRVParts.com
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Put a wind deflector on, see If that will help with the wind noise. Had to make up some custom brackets as the Thule supplied brackets wouldn't fit OEM roof rack. :
3D Wind Deflector (FOR MULTIPURPOSE CAR ROOF BASKET [6103L]) – 3D® Mats USA