The Brembo GTS rear big brake kit for 2011–2018 Porsche Cayenne (Turbo) fits the rear with four-piston cast calipers and 380×28 mm two-piece slotted Type 1 rotors in black. Offered as a rear GTS BBK, the assembly combines four-piston calipers with two-piece slotted rotors sized for rear fitment to replace factory rear hardware with matched black-finished components.
Brembo 11-18 Cayenne Turbo Rear GTS BBK 4 Piston Cast 380x28 2pc Rotor Slotted Type1-Black HA