Fisker Ocean Wind Deflector/Aero Flap For Rear Wheels. Set of two.Wind Deflector Aero Flap For Rear Wheels On The Fisker Ocean This item is 3D printed using a material called TPU. It's a flexible material that feels like a mix between rubber and plastic. This set of two, left and right side, wind deflector replaces the OEM deflector flap which seems to split i half and break off within 6 months of driving especially if driving on freeways or motorways. The wind deflector aero flap on cars normally contributes 5% or