The Brembo front big brake kit for 2019–present Mazda3 installs four-piston cast calipers with two-piece 345×28 mm drilled rotors in yellow. This GT front upgrade supplies larger rotors and multi-piston calipers to replace stock front hardware, offering a more capable braking assembly that supports drivers seeking improved stopping consistency and enhanced thermal handling during spirited driving on the listed Mazda3 models.
Brembo 19+ Mazda3 Front GT BBK 4 Piston Cast 345x28 2pc Rotor Drilled- Yellow