Keep tires inflated to the higher end of their recommended range
Air filter with more flow
Wind deflector on bottom side of front bumper
Drop tailgate
All things I’ve heard before. I know number 1 and 3 work. Not sure about the other two
As for your truck question specifically. Why don’t you post that to the YouTube channel “ tfl trucks” Facebook or something. They test this stuff and post videos about the results. Maybe they can do a video or have one that answers the ?
Last edited by kevinJ; 04/18/22.