The Brembo rear GT big brake kit for 2008–2017 S5 and 2009–2016 S4 applications includes four-piston cast calipers and 380×28 mm two-piece cast rotors with a drilled face in yellow. This direct-fit rear kit matches cast four‑piston calipers to two‑piece 380x28 mm drilled rotors to support consistent pad engagement and improved venting, while the yellow finish provides a distinctive visual accent.
Brembo 08-17 S5/09-16 S4 Rear GT BBK 4 Piston Cast 380x28 2pc Rotor Drilled- Yellow