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This Audi S4 B9 sedan upgrades its front brakes with red AP Racing 9571 6-piston calipers and STOPFLEX long-fiber carbon ceramic rotors. The wheel-off views show the exposed disc and caliper, while the parts display includes the front pad set.
- Front: AP Racing 9571 6-piston calipers with STOPFLEX 380 × 34mm long-fiber carbon ceramic rotors.
- Pads: STOPFLEX carbon ceramic-compatible brake pads.
The AP Racing 9571 calipers, our 380 × 34mm long-fiber rotors and CCB-compatible pads create a complete front upgrade for this S4 B9. The package combines a defined 6-piston caliper application with continuous carbon strands across the rotor body. Long-fiber construction brings structural strength and thermal durability, while the ceramic friction material is selected for high-temperature stability.
Our carbon ceramic pad range completes the friction side of the upgrade, with low rotor wear as a design priority. The rotor’s rust-free ceramic face and drilled finish remain visible alongside the red AP calipers behind the bronze wheels. Compared with like-sized iron discs, carbon ceramic construction can reduce rotating and unsprung mass at the front axle. Our professional team handles the complete 9571 brake proposal for your S4.
Send us your VIN, year, make, model and current configuration. We’ll recommend the right carbon ceramic brake package for your S4 B9.
