ST Sport suspension kit for Audi A4 (8E/B6–B7) Sedan Quattro combines twin‑tube dampers and matched progressive springs to improve handling without sacrificing ride quality. Vehicle‑specific damping and spring rates are tuned to transform the car’s dynamics while retaining OEM component quality. Heat‑resistant twin‑tube dampers use a low‑friction, pressure‑resistant housing with a monoblock rod guide and robust seals; springs are multi‑coated and epoxy finished for longevity.
ST Sport-tech Suspension Kit Audi A4 (8E/B6-B7) Sedan Quattro