I’ve sold my mustang and found a new genuine Ford boxed air filter for a 2017 gt350 in the garage. It is standard fitment for gt350/bullitt/Mach 1 and not something dealers stock in the U.K. Drop me a message if you want it.
If you use FB post it for sale on the Simply Mustangs UK for sale/wanted group, I'm sure it will go quite quickly on there (over 5k Mustangs owners in the group)
