The torsion bar for the Fiesta bolts to the stock rear torsion beam improving its effectiveness. It lets the driver experience sway bar like handling at a fraction of the cost. Understeer is greatly negated with this product. No cutting or drilling required. Installation will literally take minutes. -Hand Mig Welded in the US -Black powdercoat finish -Proven track design with years of racing heritage -If you have a base model non st fiesta please let me know as the dimensions are different