If the surface the wind passes over has a consistent shape the disturbance becomes tonal and at certain frequencies very annoying.
Roof rack wind noise fix.
A wind fairing is a windshield that is placed on the front crossbar of a roof rack.
Discussion starter 1 dec 7 2015.
I installed a barricade roof rack last weekend.
If the rack howls without a boat and straps on see david donaldson s note above y ou have noise from turbulence of the air swirling behind the crossbars.
The wind noise we hear from some roof racks is known as aeolian no ise and is produced by wind when it passes over or through objects.
Wind fairings are usually universal but are available in different lengths to fit your vehicle.
Joined nov 21 2015 32 posts.
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A roof rack wind fairing is an easy to install plastic shield that deflects wind away from the roof rack therefore reducing wind noise.
The noise would abate if you could move the crossbars back away from the windshield of the car but then it d look silly with the crossbars close together with a 17 boat on it.
My yakima rack also howled.
The top section of the wind fairing attaches to the front crossbar while the bottom rests on top of the car.