Comptech-NSX Shock Tower Brace, Rear - Billet (NSX Coupe 91-96) Comptech's Rear Shock Tower Braces are designed to be stronger than the factory braces to help improve chassis stiffness. These braces are manufactured using machined billet aluminum, and clear anodized for a durable finish. Rear Billet Aluminum Shock Tower Brace Clear Anodized Application: 91-96 Acura NSX Coupe Only Installation time: 30 minutes +/-