The Koni Red is a popular sport-shock for a use with a wide range of springs, giving maximum performance without breaking the bank. These are ""internally"" adjustable which means they can be adjusted when they are removed from the vehicle to increase or decrease the rebound dampening. Great to fine tune ride and performance, with a twin-tube low-pressure design giving a sporty yet not overly stiff dampening. All Koni shocks feature a limited lifetime warranty to the original owner.