Today you match your mat color in your new truck to the color of your soil so it's not as noticeable.

Original black mats in farm trucks were quickly coated with dirt and dust so it didn't matter much. No air conditioning so the windows were rolled down and cowl vent open. All it takes is one dusty road to initiate a new mat.

You can purchase clear vinyl that is used to cover stairs or high use areas. Roll it out and let it bake in the sun. The heat helps to flatten the vinyl and most of the noxious vinyl smell will go away. Cut to shape of your floorboard. You have to allow for battery and master cylinder (rubber plug) access.

"Adding CFM to a truck will only help at engine speeds you don't want to use."
"I found there was nothing to gain beyond 400 CFM."