Probably some of that " Yankee Ingenuity" we hear so much about. Could also be TSA regulations incase your rear end drops out it will bounce over the car or other vehicle behind you. Better check for recalls. I definately know it is not one of Fords "Better Ideas".

 

I think they are shock absorbing tail hooks so you can land on a aircraft carrier!!!!!!!!!!!!!!!!!!!!!

Bob

 

LOL... Maybe something someone found in the back of a comic book for more horse power and better gas mileage...