Perrin Wing Gurney Flap - 2015 WRX/STi w/ Premium - PSP-BDY-402BK 99.5mm will emit 1 of 2

will emit 1 of 2 different blow off valve sounds

opt for Engine Ice and experience the pinnacle of coolant performance firsthand

Fits OEM Flywheel

4-ply silicone with handle the high temperatures of the turbocharger much better than the factory rubber hose(s)

Perrin Wing Gurney Flap - 2015 WRX/STi w/ Premium - PSP-BDY-402BK 99.5mm will emit 1 of 2Add an aggressive aesthetic and, in some applications, increase downforce with the PERRIN Gurney Flap. Perrin 2015 WRX STi w Premium Wing Gurney Flap Fitment: Subaru WRX 2015+, 2015: Subaru: WRX: Base, 2015: Subaru: WRX: Limited, 2015: Subaru: WRX: Premium, 2016: Subaru: WRX: Base, 2016: Subaru: WRX: Limited, 2016: Subaru: WRX: Premium, 2017: Subaru: WRX: Base, 2017: Subaru: WRX: Limited, 2017: Subaru: WRX: Premium, 2018: Subaru: WRX: Base, 2018: