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The Brembo big brake kit for 2006–2008 Audi RS4 rear axle provides four‑piston calipers and two‑piece cast rotors sized 380×28 mm with drilled faces, finished in red. Supplied as a rear GT upgrade, the kit pairs multi‑piston calipers with larger two‑piece rotors for a direct replacement braking assembly that updates the rear hardware visually while increasing rotor diameter and caliper capacity.
Brembo 06-08 RS4 Rear GT BBK 4 Piston Cast 380x28 2pc Rotor Drilled-Red
