KONI Special Active FSD Shock (Front Left) for 2004-2009 Mazda Mazdaspeed3 AWD (C30) E82 Yellow Speed Racing Advanced Pro

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KONI Special Active FSD Shock (Front Left) for 2004-2009 Mazda Mazdaspeed3 AWD (C30) E82 Yellow Speed Racing Advanced ProKONI Special Active shocks for the 2004 2009 Mazda Mazdaspeed3 AWD (C30) use KONI's patented Frequency Selective Damping (FSD) technology to deliver two damping curves in one fixed shock soft for low frequency road inputs (comfort) and firm for high frequency body motion (control). The result is a daily driver that feels composed without compromising ride quality. FSD reacts to the road, not to a driver setting, so there's nothing to adjust and