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The Bilstein B16 (PSS10) suspension kit for 2008–2014 Subaru Impreza WRX STI is a direct‑fit coilover that replaces factory dampers with monotube units and matched springs to enhance handling, response, and tunability. Its 10‑stage manual damping adjusts rebound and compression in small increments for varying road or track demands. Zinc‑coated threaded bodies permit roughly 30–50mm lowering, Triple‑C corrosion protection, easy damping adjustment, and German testing at the Nürburgring.
Bilstein B16 08-14 Impreza STI Front and Rear Performance Suspension System
