Thule makes all the roofing accessories, including the cross bars for Mazda.
Thule also makes an item called the AirScreen XT that can be used to reduce the wind noise for the cross bars.
www.thule.com
Thule also makes an item called the AirScreen XT that can be used to reduce the wind noise for the cross bars.
Thule AirScreen XT M | Thule | United States
Thule AirScreen XT - Wind fairing that redirects airflow over roof rack for a quieter ride.