KONI FSD (Frequency Selective Damping) is the first premium shock absorber that offers the best of both worlds: superior handling and control without compromising ride quality. Cars, SUVs, light and heavy trucks, motorhomes, and service vehicles, all benefit from KONI’s patented technology of FSD. FSD is firm to control large body motions and improved cornering but soft for comfort over expansion joints and rough roads. KONI FSD not only adds comfort and refinement but also improves grip and safety in daily driving.
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