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The Brembo GT big brake kit for 2004–2008 Audi S4 and 2006–2008 A4 (rear) installs four-piston cast calipers with two-piece 345×28 mm rotors to improve rear braking performance. Rotors are slotted Type 1 in a silver finish to aid cooling and pad bite. This rear kit is supplied to fit directly to the vehicle's mounting points for a straightforward upgrade.
Brembo 04-08 S4/06-08 A4 Rear GT BBK 4 Piston Cast 2pc 345x28 2pc Rotor Slotted Type1-Silver
