ST Suspensions XTA Coilover Kit | 2003-2006 Mitsubishi Evo 8/9 (18265806)Mitsubishi Evo 8 9 XTA Coilovers by ST Suspensions ST XTA coilovers feature KW damping technology which allows the suspension to be made either stiffer or softer depending on the driving conditions. This damping adjustment is made on the upper end of the chromed piston rod allowing the setup to be changed almost instantly. If the rebound force is increased, the car will drive with even more track stability and further reduced bodyroll. If the rebound