STI Genuine Flexible Tower Strut BarThis is a strut tower bar with a completely new concept splitting an aluminium tower bar in the enter and connecting the two pieces with pillow ball joints. As the left and right pieces are flexibly connected, the bar can moderately handle longitudinal forces such as from gaps on the road to maintain ride comfort while strongly holding against lateral forces during cornering. As a result, not only cornering performance but also straight line stability