New truck, with off road package, has a low air dam. The manual says to remove it when needed, only 15 screws holding it on. While I'm no Jefe or Whazoo, I'm never exactly sure where I might end up wh...
I don't think it's needed for cooling, or the manual would not speak of removing it. The new truck sits higher than the old '04. 16" to the dam on the old, 10.5" on the new.