The Watson Racing 2005-2014 S197 Mustang rear seat Bulk Head / Firewall panels are standard issue on the Boss-S Mustang race cars. Riveted in place, these are essential safety items when using a fuel cell, rear-mounted battery, etc. Lightweight aluminum construction with a medium-gloss black powder coat. Includes lower corner panels to accommodate roll cage tubes, and smaller access holes for wire harnesses to pass through.