Pro alloy Focus ST WRC Style Front Mount Intercooler KitFREE UK POSTAGE WRC style front mount intercooler kit for the awesome focus ST Features include; 150mm longer core utilising more if the large lower opening in the bumper. This also leaves all of the upper grille open, allowing free flow of air to the water radiator. 100mm Taller core giving 72% more flow area. This will allow the boost pressure to be held higher in the rev range. 63mm thick extruded core which is 63% thicker than the standard unit.