Cusco Power Brace Front Cross Member Support Lachute Performance USA Cusco Power Brace Rear Member 2011 2014 Subaru WRX STI 2013 2017 Cro Cusco Powerbrace Front Side 2014+ Forester SubiSpeed Cusco Power Brace, Front Member, 2008 GH WRX STi Suspension Misc JDM 98 08 SUBARU FORESTER SF9 SF5 SG9 SG5 CUSCO Rear Power Brace JDM Cusco Power Brace Front 2015 Subaru Impreza WRX Non STI only OFF THE. Developed by chassis engineers based off the data logged directly from CUSCO motorsports research. The power brace strengthens chassis and minimizes body flex especially at cornering loads, enabling optimal suspension movement at the intended geometrically aligned state. Having the same effect as stitch welding a chassis, the Power Brace series are Bolt on design with some minor body piece (under cover interior etc) trimming and completely effective on all vehicle chassis no matter stock or highly modified. These bars are made and constructed by lightweight steel and engineered inside & out by using the state of the art chassis stress test simulation software by leading motorsports professionals.