Not to much to say about this , only that it works! Sometimes when you are using your roof top carrier, and it makes a difference what’s up there to cause this problem is a noise. Fairing is the answer , well there on almost every semi truck&trailer, and motorcycles have them "they work" so this is a goo idea. Like everything else different manufactures have different sizes and shapes so do your homework and ask questions. Another Tip & Trick to make it perfect because you have to live with it !

And remember live well and be healthy and fun doing it! Safety is never an option.