The Brembo Big Brake Kit for 2000–2002 S4 rear applications pairs four-piston cast calipers with two-piece 328x28 mm rotors in a slotted Type 1 pattern and a red finish. It outfits the rear with larger hardware to better match upgraded front brakes and assist heat control. This rear kit includes two 328x28 mm slotted rotors and matching four-piston calipers in red.
Brembo 00-02 S4 Rear GT BBK 4 Piston Cast 2pc 328x28 2pc Rotor Slotted Type-1-Red