The Brembo rear big brake kit for 2003–2007 Cayenne S, Turbo and GTS applications pairs four-piston cast calipers with 380 x 28mm two-piece drilled rotors in a black finish. This rear-specific kit replaces OEM hardware with larger calipers and two-piece rotors to increase braking capacity and rotor serviceability for the listed Porsche Cayenne variants.
Brembo 03-07 Cayenne/S/Turbo Rr GTS BBK 4Pis Cast 380x28 2pc Rotor Drilled-Black HA