You can never have too much chassis stiffness. Weight aside, the more the better. Chassis bracing maintains alignment angles and spring rates by greatly reducing body or chassis flex. In fact, it helps every component in the suspension system do its job...

Tanabe Sustec Front Strut Tower Bar 86-92 RX-7 (FC3S)

Cusco Strut Bar 40D Front FD3S RX7

Cusco Strut Bar CB Rear FD3S RX7

Cusco Strut Bar OS Rear FD3S RX7

Cusco Strut Bar OS Front FD3S RX7

Cusco Strut Bar ALC OS Front FD3S RX7

Cusco Strut Bar 40 Rear FD3S RX7

Cusco Strut Bar Carbon CB Rear FC3S RX-7

Cusco Strut Bar OS-T Rear FC3S RX7

Cusco Strut Bar OS Rear FC3S RX7

Cusco Strut Bar OS Front FC3S RX7