I got the Subaru crossbars off of Amazon, cheaper than from the dealer: https://www.amazon.com/gp/product/B01N3MQ2M8
Amazon: https://www.amazon.com/gp/product/B01N3MQ2M8
Haven't driven with just the crossbars. I only put them on when I use my bike rack. That definitely makes more wind noise, but is much bulkier.