Perrin Performance Gurney Flap for 15-21 Subaru WRX/STI Sedan with Premium Wing

Perrin Performance Gurney Flap — 2015–2021 Subaru WRX/STI Sedan (Premium Wing) Optimize rear downforce and stability with the Perrin Performance Gurney Flap, engineered specifically for the 2015–2021 Subaru WRX and STI sedan equipped with the Premium wing. Designed for street, track, and enthusiast drivers who demand precise aerodynamic tuning without changing the wing geometry. Perfect fit: Made to mount cleanly to the stock Premium wing on sedan models (2015–2021 WRX/STI). Improves handling: Increases rear downforce and reduces lift for better high-speed stability and cornering confidence. Durable construction: Precision-machined from lightweight, corrosion-resistant aluminum for long-lasting performance. Easy installation: Bolt-on design uses factory mounting points—no cutting or modifications required. Sleek appearance: Low-profile design preserves the wing’s look while adding purposeful aerodynamic function. Upgrade your Subaru’s aero balance with a simple, effective modification trusted by performance enthusiasts. The Perrin Performance Gurney Flap delivers measurable handling gains and a refined driving experience without compromising factory styling.