In the UK we don’t get the rear splash guards on the Mach 1. Do you do a kit which includes left and right splash guards, screws and clips ? The part circled in yellow below in case you call them something else.
This original equipment OE rear splash guard kit is used on the GT500 and Mach 1 HP (Handling Package).
Equip your Mustang with these production Ford tire spats / rock guards to provide additional protection from rock chips for your rear wheel arches when running wider tires as found on the HP package.
This Factory Ford Kit Contains:
KR3Z-6328371-AA - Left Rear Wheel Arch/Guard
KR3Z-6328370-AA - Right Rear Wheel Arch/Guard
W714040-S300 x4 Clips
W715060-S450B x4 Screws
Only fits vehicles that have the GT500/Mach 1 Rear Diffuser