Cusco 2015 2021 Subaru WRX STi Power Brace Front Member (6A1 492 FM Cusco GC8 Front Member Power Brace First Gear Project Cusco Front Member Power Brace Subaru WRX STI 2008 2014 692 492 FM Cusco Power Brace Front Crossmember 2008 2014 WRX STI FastWRX.com Cusco Power Brace, Front Member, 2008 GH WRX STi Suspension Misc. 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.