The GiroDisc slotted rear rotor for 1997–2009 Audi S4 (B5/B6/B7) is a 300mm rear rotor specified for those model years. Slotted faces assist in clearing pad deposits and gases to help keep pad contact consistent under repeated use. This rotor is produced to fit the rear of the listed S4 model years and follows the vehicle-specific fitment provided in the product description.
GiroDisc 97-09 Audi S4 (B5/B6/B7) 300mm Slotted Rear Rotors