2015-21 Subaru WRX STi Rear Gurney Flap Spoiler Extension2015 21 Subaru WRX STi Rear Gurney Flap Spoiler Extension VEHICLE TYPE: 2015 21 Subaru WRX STI PACKAGE: EOS Track Package SURFACE FINISH: ABS Plastic PACKAGE INCLUDED: WRX STi Rear Gurney Flap Spoiler Extension Features: Effectively maximizes the aerodynamic attributes of your WRX All of our items are manufactured by following the ASTM Durability of Nonmetallic Material Standards. In order to reduce the chance of crack and break, we use high quality