The Brembo rear GT big brake kit for 2008–2017 S5 and 2009–2016 S4 applications includes four-piston calipers and 380x28 two-piece slotted Type3 rotors in a silver finish for a rear-specific brake upgrade. The kit prioritizes thermal control and consistent stopping, supplying two-piece rotors and multi-piston hardware to maintain pedal feel and reduce fade on compatible S4 and S5 models.
Brembo 08-17 S5/09-16 S4 Rear GT BBK 4 Piston Cast 380x28 2pc Rotor Slotted Type3-Silver