The Cusco Brake Cylinder Stopper (B.C.S.) for the 2001-2007 Subaru Impreza is a great way to increase pedal feel. Eliminate the unwanted flex of the brake master cylinder during hard stopping, do to firewall flex. The Cusco B.C.S. is coated blue and bolts on to pre-existing holes, and is and easy install taking only minutes using normal hand tools. This has been specifically designed for Right Hand drive vehicles.