Mach 1 Styling. Everyone loves the aggressive styling of the 03/04 Mach 1 and now you can have that same style for your 1999-2004 GT or V6 with this money saving two (2) piece Mach 1 grille delete kit. This is a Ford OEM Kit - Actual Ford Parts NOT China replicas. The grille comes ready to install with no painting required. Fitment. Kit includes the replacement Pony and Grille Delete Bottom Lip. It installs in place of the stock honeycomb grille on the 99-04 GT and V6 Mustangs for an aggressive new look.