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PowerStop Z23 Evolution Sport Brake Kit for 2004–2009 Audi S4 rear applications is a complete bolt-on upgrade with drilled and slotted rotors, Carbon-Fiber Ceramic pads and premium stainless-steel hardware. The Z23 compound improves stopping power while a low-dust formula reduces wheel contamination; drilled and slotted rotors aid cooling and are plated to resist corrosion, delivering a cleaner look and more consistent braking for daily-driven performance.
Power Stop 04-09 Audi S4 Rear Z23 Evolution Sport Brake Kit
