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Koni FSD - Shock Kit

Brand: Koni | Category: Shocks / Struts

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Product Description

FSD is the abbreviation of Frequency Selective Damping. It is the latest technology of Koni, specifically designed to combine the ultimate in comfort and road-holding. This no-compromise shock absorber was launched to the world in 2005. A revolutionary new technique which combines the benefits of firm and comfortable suspension in a single perfect shock absorber. Firm for sporty driving on even road surfaces. Comfortable for a smooth ride on uneven road surfaces.

If you are able to change the damping force level in relation to the frequency of the movement of the vehicle, you create the possibility to solve the conflict in terms of comfort and handling ever present in conventional dampers.

The Koni FSD technology does just that! In effect giving you Active Ride Control. The groundbreaking FSD technology has been designed and patented by Koni to end the compromise between comfort and road-holding. This new feature can be used as an integrated part of the hydraulic valving system inside the damper.

Consequently, no additional cables, sensors, or any other electronic devices are needed to operate this system. It operates fully hydraulic and frequency selective and is therefore an economical and effective solution to improving a cars handling. It will give Ride and Handling Engineers a constructive, additional variable in fine-tuning the cars behavior.


  • Excellent ride quality on all road surfaces
  • Available for most newer cars – more coming
  • Gold metallic finish shocks
  • Less expensive than electronic systems
  • Lifetime Warranty

Product Reviews

An incredible combination of ride quality and response , Tuesday, October 11, 2011

Knowing that Koni is a great company I knew that the Koni FSD would be a great choice for me. I have a 2006 Mazda 3s having some suspension work done the ride originally was quite stiff. I have Hotchkis sways AWR adjustable rear end links and Redline front end links and stock springs/shocks. Before the shocks the ride was quite harsh  I felt every grove on the road, and felt the slightest bump. After installing the FSD the ride is amazing I truly love them, doing a lot of city and highway driving I’m amazed on how these shocks handle. In the city they absorb a lot of the bumps on the road and on the highway they glide over any road holes or bumps. I have not checked  them yet on  an autocross event but after driving on upstate New York mountain roads I have no doubt in my mind that these shocks will do phenomenal.  In my opinion these shocks are for anyone who is looking for a nice ride as a daily driver and unleash the fun on a weekend, these shocks are truly the best of both worlds giving you the response of stiff racing shocks and the comfort of a traditional every day use.