Tuneable Performance!The Koni Sport Suspension kits offer a complete package with matched Koni Sport shocks that are adjustable for rebound, externally in most cases, and a matched set of Koni lowering springs. The kits lower your car an average of 35-45mm or about 1-1/2'' to 1-3/4''. This gives your car a more aggressive look and handling while maintaining a good ride quality for daily street use. These kits reduce body roll and increase the responsiveness to steering input, making your car much more fun to drive! Limited lifetime warranty.