A6 QUATTRO. A7 QUATTRO. Front Rear Drilled and Slotted Rotors Kit. 2x Front Drilled & Slotted Brake Rotors: S-34497. 2x RearDrilled & Slotted Brake Rotors: S-34475. Kit Includes Our Products are manufactured in ISO 9000 / 9001 / 9002 certified facilities.