2006-2008 Audi RS4 / S4 (B7) Carbon Ceramic Brake Rotors X3 and regen doesn't cover hard

and regen doesn't cover hard braking or repeated stops from speed — that load falls on the friction brakes

this kit is the direct route to CCB without a big brake conversion

the rear caliper type is unrestricted for fitment

This kit reuses your factory Cullinan calipers and swaps only the rotors

Wheel Size Perf 355mm 18" Highland 320mm 17" Perf/Highland 335mm 18"

2006-2008 Audi RS4 / S4 (B7) Carbon Ceramic Brake Rotors X3 and regen doesn't cover hardReal Customer Builds & Reviews View All Will This Fit My Car? Direct Replacement CCB Discs (Retain Factory Calipers) for the 2006 2008 Audi RS4 S4 (B7). Factory rotor specifications and the smallest wheel that clears each trim: Trim Front Rotor (Factory) Rear Rotor (Factory) Min. Wheel Size RS4 365mm, 380mm (CCB) 324mm 19" S4 345mm 300mm 18" Keep Your Factory Calipers? The rule is simple: front factory calipers must be 4 piston or more; the rear has