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The KW H.A.S. height‑adjustable spring kit for 2017+ Audi A4/S4 B9 with EDC lets you set ride height even after fitment while preserving factory electronic damper function. Vehicle‑specific chrome‑silicon springs and millimeter‑precise adjusters are tuned to pair with OE adaptive damping, maintaining steering response and driver assistance system operation. Kits include application bump stops and dust protection for durable, adjustable lowering.
KW H.A.S. 2017+ Audi A4/S4 B9 w/ EDC
