The Brembo Big Brake Kit for 2006–2008 Audi RS4 rear applications pairs four-piston billet calipers with 380×28 mm two-piece slotted Type 1 rotors and nickel plating. This rear-specific direct-fit kit increases rotor surface area and cooling through slotted machining while providing a multi-piston caliper intended to improve pedal feel and thermal management under sustained use.
Brembo 06-08 RS4 Rear GTR BBK 4 Piston Billet380x28 2pc Rotor Slotted Type-1- Nickel Plated