If you can move the rack further back on the crossbars that should help but what would help the most is a fairing for the crossbars.
Thule roof rack wind noise.
New system specific clamps provide the roof rack fairing a clean and secure mounting for our aeroblade aeroblade edge and squarebar systems.
A wind fairing s goal is to reduce the wind noises which are brought about by the roof rack you have placed in your vehicle.
I get better mileage with a huge thule box and single bike carrier with no bike with no fairing then i did with nothing but the fairing.
Attaches to thule aeroblade aeroblade edge and squarebar with included hardware.
Although wind fairings do not eliminate the noise 100 percent it does minimize it significantly to prevent you from being distracted while you are driving.
Thule edge and thule evo.
I have found there to be a lot of wind noise from the towers and cross bars without the j racks installed even at low speeds.
Aeroblade and aeroblade edge clamps give full access to the upper t track for quick accessory mounting and removal.
The next generation of roof racks.
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.
I just installed a thule roof rack on ny 2004 honda accord.
The low profile thule edge system offers a sleek integrated design while the thule evo system maximizes the loading area and comes with a variety of load bar options.
Roof rack accessories are prone to making wind noise but there are a couple ways to help reduce it.
If the surface the wind passes over has a consistent shape the disturbance becomes tonal and at certain frequencies very annoying.
I would try some of the moving things around or the rope wrap ideas before getting a fairing.
Will a thule fairing be effective in reducing the noise and will it make the rack nore aerodynamic when not carrying the kayak.