Not unless your wheel arch liners are already removed. Not a chance. There are screws/bolts from the wing to the bumper hidden on the inside. Unless you remove your headlights and airbox etc you may get to them but i seriously doubt it.
It can be done, but you have to turn the wheels left right during the proces and have long arms and proper tools to gain access to the screws. When you remove the protective plastic in the wheel arches you will see the screw heads.