Power Stop Z26 Street Warrior rear brake kit for 2004–2009 Audi S4 is a complete upgrade with drilled & slotted rotors, carbon-fiber ceramic pads, and stainless-steel hardware engineered for higher-performance street-driven vehicles. The kit improves heat dissipation and stopping power while reducing dust and noise compared to typical OE setups. Components are matched for compatibility, rotors are zinc plated for rust protection, and the kit is a bolt-on upgrade requiring no special modifications.
Power Stop 04-09 Audi S4 Rear Z26 Street Warrior Brake Kit