The Brembo rear GT big brake kit for 2023+ Toyota GR Corolla features a four-piston cast caliper with a 345×28 mm two-piece slotted rotor (Type 3) in red. Intended as a rear direct-fit upgrade for GR Corolla applications, the kit uses a multi-piston caliper and two-piece slotted rotor to help resist fade and maintain consistent braking during spirited or frequent heavy use.
Brembo 23+ GR Corolla Rear GT BBK 4 Piston Cast 345x28 2pc Rotor Slotted Type-3-Red