The Brembo GT rear big brake kit for 2008–2017 Audi S5 and 2009–2016 Audi S4 outfits the rear with a four-piston cast caliper and two-piece 380×28 mm rotors specified for direct fit. Featuring drilled two-piece rotors and red calipers as listed, the package provides the rotor style and caliper finish matched to those Audi rear applications where the kit is specified.
Brembo 08-17 S5/09-16 S4 Rear GT BBK 4 Piston Cast 380x28 2pc Rotor Drilled-Red