You can find it HERE
Honestly, I put them on after only owning the car for 1 day so I didn't have time to notice a difference. I would say they likely have a minor effect on noise with the windows down as mentioned below. Mainly got them for the look.
These :))
I got them thru Amazon... here is the link / the price is the cheapest around and the quality is excellent.. I put them on myself.. Hope this helps.. https://www.amazon.com/gp/product/B010JRGD86/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1
I got them thru Amazon / link is below.. Easy to install I did it myself Hope this helps...
https://www.amazon.com/gp/product/B010JRGD86/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1
Thanks! Here you go: 2017 Mazda 3 Window Visors
https://www.amazon.com/gp/product/B010JRGD86/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1
Ummm... not really. It makes the car look good.. :) My opinion...