I wasn't joking, they're supposed to prevent projectiles and shiiite from being thrown out behind the truck, it's got nothing to do with aerodynamics or fuel efficiency.😜
I wasn't joking, they're supposed to prevent projectiles and shiiite from being thrown out behind the truck, it's got nothing to do with aerodynamics or fuel efficiency.😜
I had to go back and look at the picture, I'm on my phone. You would be correct sir in their intended purpose, when someone says flaps I automatically assume they mean mud flaps. They also make a cowl that fits on top of the tractor to avert wind shear..