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The Bilstein B16 (PSS9) suspension kit for 2005 Audi A6 Quattro is a direct-fit front and rear system that combines monotube dampers with application-tuned springs to enhance handling while allowing ride-height adjustment. The nine-stage manual damper adjusts both rebound and compression for precise control in varied conditions. Threaded, zinc-coated bodies permit about 30–50mm lowering; Triple-C corrosion protection, German manufacture, and Nürburgring‑tested development back the kit's durability.
Bilstein B16 2005 Audi A6 Quattro Base Front and Rear Performance Suspension System
