PowerStop Z23 Evolution Sport Brake Upgrade Kit for 1998–2001 Audi A4 rear applications upgrades rear braking with drilled-and-slotted rotors, Carbon-Fiber Ceramic Z23 pads and red powder-coated calipers. The bolt-on kit includes stainless-steel hardware and lubricant to ease installation, offers lower dust output (about 30% less versus OE) and uses zinc-plated rotors to help prevent rust and keep wheels looking cleaner over time.
Power Stop 98-01 Audi A4 Rear Z23 Evolution Sport Brake Kit w/Calipers