CUSCO Power Brace Floor Center STI 2008 2014 Forester SH5 2008 2010 Cusco Front Power Brace Crossmember 2015 2021 Subaru STI SubiSpeed Cusco Front Member Power Brace Subaru WRX STI 2015+ 6A1 492 FM Cusco Front Member Power Brace Subaru WRX STI 2008 2014 692 492 FM Cusco Power Brace Front Member Subaru SG5 Walmart.com. 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.