Mach 1 Styling. Add the aggressive styling of the Mach 1 to your Pony with a SpeedForm Mach 1 Style grille Delete Bottom Lip Panel . This Bottom Lip Panel is a great way to add clean custom styling to any V6 or GT Mustang. Perfect For Restoration. Restore your limited edition SpeedForm Mach 1 Mustang back to better than show room condition by replacing that cracked and sun faded Bottom Lip grille Panel with a brand new direct fit oem quality replacement. OEM Quality Materials. Made to the original factory specifications from OEM quality injection molded black plastic material, this bottom lip panel comes ready to install with no painting required. Application. This SpeedForm Mach 1 Style grille Delete Bottom Lip Panel is specifically designed to fit the 1999 to 2004 V6, GT, Bullitt and Mach 1 Mustangs.