The PowerStop Z23 Evolution Sport brake upgrade kit for 2010–2011 Audi S4 is a full front-and-rear bolt-on system that includes Carbon-Fiber Ceramic pads, drilled-and-slotted rotors and stainless-steel hardware, plus pad sensors where required. The pads are formulated for low dust and improved stopping power; rotors are zinc plated to resist corrosion. Multi-layer shims reduce noise and a high-temp ceramic lubricant is supplied for installation.
Power Stop 10-11 Audi S4 Front & Rear Z23 Evolution Sport Brake Kit