Originally Posted by chaimav
Ok, so here is a stupid question: If this piece of sheet metal can gain 1 MPG, why didn't Ford include it?
I'm not trying to be smart here, but I assume there has got to be some trade-off somehwere...
Is it just cost? Does it cause a build up of heat? Is it more likely to snag something on the road?
cost probably, wouldnt be surprised if the ST has one as an option.