Bilstein B12 Pro-Kit for 2015–2017 Subaru WRX STI is a complete suspension package combining Bilstein B8 Performance dampers with Eibach Pro-Kit springs. Tuned for the application, the kit offers moderate fixed-height lowering—typically between 24–40mm depending on fitment—providing improved suspension dynamics, predictable control and a balance of quality and aesthetics for street-driven handling upgrades.
Bilstein B12 Pro-Kit 2015-2017 Subaru WRX STI Front and Rear Monotube Suspension Kit