Hb271F.605 - Hawk HPS Street Brake Pads - Audi A4, S4, A6, S6, A8, S8, (All) - Rear - High Performance Street Brake Pad,- Fairly Low Noise And Dust, But Usually A Bit More Than Oem. Very Rotor Friendly And Good For Autocross Events. Usually Provides 20-40% Stopping Power Than Oem Pads And Is Less Prone To Fade. Good All Around Performance Brake Pad.