The GiroDisc front dust boot for 2015 and later Ford Mustang GT Mach 1 (S550) with Performance Package Brembo front calipers is a replacement boot sized to that front braking assembly. It keeps contaminants away from seals and moving parts, helping to preserve component life. Specified for this S550 Mustang front setup, it lets owners replace worn protective boots with a correct-fit option.
GiroDisc 2015+ Ford Mustang GT Mach 201 (S550 w/Perf Pkg Brembo Front Caliper) Front Dust Boot