Did you go with the low profile ones?
Amazon.com: Auto Ventshade 894027 Low Profile Dark Smoke Ventvisor Side Window Deflector, 4-Piece Set for 2010-2018 Toyota 4Runner: Automotive
I am not a smoker, but have considered these for some fresh air without being blown apart at highway speeds. I like this model and the continuous flow design from front to rear side windows and the low profile. I wonder how well this model works.