The Tein Street Advance Z coilover kit for 2015–2021 Subaru WRX STI (VAG/VAF) replaces factory suspension with a street-oriented coilover that improves handling and ride control for daily driving or spirited street use. Tuned to balance comfort and cornering stability, this kit gives clearer chassis feedback and a more planted feel without drifting into race-only stiffness.
Tein 15-21 Subaru WRX STI (VAG/VAF) Street Advance Z Coilovers