The new aero foil cross bars provides a significant improvement in roof rack noise.
Thule roof bars noise.
The same thing is happening on your roof rack.
All roof bars will make some noise.
The thule bars are cheaper and with money being tight and all.
They are noisy and when it rains they whistle especially when bike carriers are attached.
On some cars manufacturers have gone to a radio antenna with what looks like a spiral wire wrapped around it.
You can also wrap some 1 4 to 3 8 rope in a spiral around both bars.