S2000 Upgrades Tunnel Brace | Suspension Upgrades for Automotive Applications. Take a look at the Tunnel Brace we sell from top brands including Blox Racing and Megan Racing. We sell Tunnel Brace for vehicles including Honda. We offer Tunnel Brace for applications including Honda S2000 and more. Select your vehicle from the search filter below to view Tunnel Brace by vehicle make, model and year.