Hatch Mount Wing for 12-19 Ford Fiesta STHatch Mounted Wing for Ford Fiesta ST The Fiesta ST hatch mounted wing is a simple, lightweight and rigid design. It brings forth the ability to dial in downforce on your hatchback and help keep the rear end planted on high speed corners. Using this design, you retain full ease of access to the trunk. No need to loosen or remove the wing for trunk access. The Aluminum components help keep the weight down to avoid difficulty in lifting the hatch