The Brembo Rear GT big brake kit for Cadillac CTS‑V (2009–2015) equips the rear with a four-piston cast caliper and a 380×28 mm two-piece slotted rotor, Type 1, in black. Offered as a vehicle-specific rear upgrade, the slotted, two-piece rotor construction helps maintain braking consistency and temperature control during demanding stops while preserving factory mounting locations.
Brembo 09-15 CTS-V Rear GT BBK 4 Piston Cast 380x28 2pc Rotor Slotted Type-1-Black