Tein S Tech Springs STI (2005-2007) Universal For the STI

For the STI

CNC Laser Cut Brackets - Precision cut and bent for a perfect fit

This is crucial for proper air fuel ratios and ECU engine management

The FX100 is made for the daily driven S2000 with basic bolt-ons

Heavy-duty polyurethane provides rust-free protection for the finish on your otherwise exposed lower body area

Tein S Tech Springs STI (2005-2007) Universal For the STITein S. Tech Springs for the Subaru are an excellent step towards suspension tuning. They offer a more aggressive appearance and increase road holding capability. Designed to be used with OEM or OEM replacement shocks. Each Subaru WRX application is road tested in North America for the proper balance between performance and comfort. Spring Rate Drop Specs: Spring Rate (02 03 WRX): F 218lb in R 157lb in Drop (02 03 WRX): F 2. 0in R 0. 7in Spring Rate