Significant brake performance improvements using the factory calipers and pre-matched; direct-replacement (OEM) sized components. This StopTech Sport Axle Pack includes Slotted StopTech Sport Rotors; StopTech Sport Pads and StopTech Stainless Steel Lines. Aggressive Look Black E-Coated Sport Rotors. High Performance StopTech Sport Pads. Stainless Steel Hoses for Better Response. Significantly Improved Braking Performance. Moderate Dust. Low Noise Aggressive Look Black E-Coated Sport Rotors; High Performance StopTech Sport Pads; Stainless Steel Hoses for Better Response; Significantly Improved Braking Performance; Moderate Dust; Low Noise 2004 - 2004 Audi A4 Quattro, 2004 - 2006 Audi A4