The Brembo GT rear big brake kit for 2006–2008 Audi RS4 replaces rear hardware with a four-piston cast caliper and 380×28 mm two-piece rotors for direct fitment. Finished in black and specified with slotted Type-1 rotors, this kit provides the listed rear configuration so installers receive the rotor style and caliper finish called out for compatible rear applications.
Brembo 06-08 RS4 Rear GT BBK 4 Piston Cast 380x28 2pc Rotor Slotted Type-1-Black