Audi RS6 (C7) Akebono OEM Audi RS 6-Piston (9N) Caliper with 400mm CCB carbon ceramic brake rotor
Akebono OEM Audi RS 6-Piston (9N) Caliper 400mm CCB carbon ceramic front brake kit for Audi RS6 (C7)
Audi RS6 (C7) TTSPORT EP4 4-Piston Forged Caliper integrated with EPB with 380mm CCB carbon ceramic rear brake rotor
TTSPORT EP4 4-Piston Forged Caliper integrated with EPB 380mm CCB carbon ceramic rear brake kit for Audi RS6 (C7)

2012-2018 Audi RS6 (C7) Carbon Ceramic Big Brake Kit — Akebono 9N Audi RS 6-Piston

Request a Custom Quote

To ensure 100% fitment accuracy, our brake kits are custom-configured for your specific vehicle. Please share your Year / Make / Model / Wheel Size / VIN with our specialists for a bespoke setup and pricing.

Official Warranty: 1‑year free replacement for quality defects or coating issues under normal (non-track) use.

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About the Disc

Will This Fit My Car?

Full Upgrade CCB Big Brake Kits (With Calipers) for the 2012-2018 Audi RS6 (C7). This page's exact brake setup:

Model Years Front Setup Rear Setup Min. Wheel Size
2012-2018 Akebono OEM Audi RS 6-Piston (9N) Caliper / 400mm TTSPORT EP4 4-Piston Forged Caliper integrated with EPB / 380mm 20"

Every StopFlex kit is bespoke-engineered for your exact model and trim — brackets, rotor-hat offsets, and caliper mounting are matched to your specific car, never assumed from the platform. Trims that share a chassis name can differ mechanically: a pure performance variant often carries different knuckles, hub geometry, and wheel ET clearance than the standard models, so parts that bolt onto one are not the parts that fit the other. Calipers, pads, rotor hats, floating hardware, and brake lines ship as one matched system built to your confirmed trim. Modified knuckles, uprights, or non-factory suspension mounting points must be reviewed before ordering.

The 400 mm rotor sets the minimum wheel size at 20" — smaller wheels will not clear the caliper and rotor. Spoke profile and offset also affect clearance; confirm your exact wheels before ordering.

Wheel Size (Standard) Disc Range
15" 260 mm – 285 mm
16" 285 mm – 300 mm
17" 300 mm – 330 mm
18" 330 mm – 355 mm
19" 355 mm – 380 mm
20" 380 mm – 400 mm
21" 400 mm – 420 mm
22" 420 mm – 440 mm

What's in the Box

Item Details
Product type Full Upgrade CCB Big Brake Kits (With Calipers)
Front calipers Akebono OEM Audi RS 6-Piston (9N) Caliper
OE / Part No.: L 4N0-615-107BD · R 4NO-615-108BD
Front CCB rotors 400mm
Rear calipers TTSPORT EP4 4-Piston Forged Caliper integrated with EPB
Rear CCB rotors 380mm
CCB brake pads Matched ceramic-compatible compound for the supplied StopFlex carbon ceramic rotors
Rotor hats and floating hardware Vehicle-specific hardware package
Brake lines Included for complete kit-upgrade orders
Order scope Default listing is full-car set when front and rear are specified. Front-only or rear-only orders can be arranged after confirmation.

Make It Yours — Color & Logo Customization

Specify custom caliper colors, a custom caliper logo, and custom rotor hat colors on any kit order — the finished package matches your build instead of a standard catalog look.

  • Custom caliper color
  • Custom caliper logo
  • Custom rotor hat color

Why Carbon Ceramic — and Why StopFlex

Low Visible Dust

Matched with StopFlex pads, the system sheds a fraction of the dust an iron rotor and pad combination throws. Wheels stay clean for weeks of driving instead of days.

Premium Ceramic-Glaze Finish

StopFlex's proprietary coating gives the disc a bright ceramic-glaze surface with subtle texture — the factory carbon-ceramic look, clearly visible through open wheel designs.

Continuous Fiber Construction

StopFlex discs are built with long continuous carbon fiber instead of chopped short fiber. Continuous strands carry load across the whole rotor body, raising strength and thermal durability under heat cycles.

Bespoke Per-Vehicle Engineering

Every order is machined to the confirmed vehicle and trim. Brackets, hat offsets, and pad shapes are built for that exact car — never pulled from a one-size-fits-all catalog.

CCB-Specific Pad Compound

A low-metallic resin pad compound reinforced with steel, copper, and aramid fiber, made for ceramic discs: stable to about 750 °C, roughly 0.44 average friction, strong fade resistance, low rotor wear.

Lower Unsprung Mass

A carbon-ceramic rotor weighs roughly half of the equivalent iron disc. Less rotating, unsprung mass lets the suspension follow broken pavement more cleanly and makes steering response noticeably sharper.

High-Temperature Stability

The carbon-silicon-carbide friction matrix keeps working at temperatures that push iron rotors into heavy fade, so the tenth hard stop feels like the first — same pedal travel, same bite point.

Rust-Free Rotor Surface

Ceramic discs cannot flash-rust. After rain, a wash, or weeks of parking, the rotor face behind your open-spoke wheels stays clean — no orange ring on a freshly detailed car.

Long Street-Service Life

In normal road use with matched pads and correct bedding, one StopFlex CCB rotor set is engineered to outlast several sets of iron replacement rotors, recovering part of the up-front cost.

Winter & Cold-Weather Braking

Winter question, straight answer: untuned ceramic discs bite less when cold. StopFlex optimized the pad compound and the rotor's ceramic coating for cold operation, so cold-start braking in winter feels very close to warm-weather braking. Extra following distance on freezing first stops is still smart; severe-winter daily cars should run Street Spec.

Caliper Overview

Front Caliper

The Akebono OEM Audi RS 6-Piston (9N) Caliper is the factory RS-spec fixed monobloc used on the C7 RS platform, chosen here for consistent clamping and OE-matched pedal feel over the 400mm front rotor. It's the genuine Akebono unit, not a copy.

Rear Caliper

The rear runs the TTSPORT EP4 4-Piston Forged Caliper, which uses 4 hydraulic service pistons (28 mm) plus a dedicated 27 mm EPB actuator piston, so your factory electronic parking brake keeps working while the rear axle gains real thermal capacity. It's a two-piece forged-aluminum body at about 4.50 kg per caliper without pads; EP4 or the slightly larger EP4S is selected to match your rear rotor and wheel clearance.

Choose Your Rotor: Street, Track-Day, or Motorsport

StopFlex Street Spec carbon ceramic brake rotor

Street Spec

Ceramic coating, cross-drilled face, and large cooling channels.

Best for daily driving and premium street builds that need clean cold bite, low dust, corrosion-free appearance, and long service life.

StopFlex Track-Day Spec carbon ceramic brake rotor

Track-Day Spec

Ceramic coating, blank face, and honeycomb cooling channels.

Best for fast-road and track-day use where repeated braking stability matters more than maximum visual drilling style.

StopFlex Motorsport Spec carbon ceramic brake rotor

Motorsport Spec

Uncoated blank face with honeycomb cooling channels.

Best for race-focused builds that run competition pads, high-temperature fluid, cooling strategy, and a proper warm-up window. Not the default street choice.

Heat Management Note

Ceramic discs shrug off surface temperatures that would destroy iron, but the rest of the system still heats up: pads, fluid, seals, calipers, and wheels all absorb soak heat during repeated hard stops. For track days, long descents, and sustained hard driving, run brake cooling and high-temperature fluid.

Get Your Fitment Confirmed

Send the exact vehicle details, current rotor sizes, and caliper type before ordering. Every StopFlex order is confirmed against your VIN-level configuration before production.

FAQ

Will this bolt to my exact RS6 without guesswork?

Yes. We engineer the brackets, rotor-hat offsets, and caliper mounting to your confirmed C7 RS6 trim, not to the platform in general. The RS6's front knuckle and hub geometry differ from lesser C7 variants, so we match the front 400mm rotor and Akebono 9N caliper to your specific car after you send your details. We do not make a universal bolt-on claim.

Does the rear kit keep my electronic parking brake?

Yes. The TTSPORT EP4 caliper has a dedicated EPB actuator piston separate from its four hydraulic pistons, so your factory electronic parking brake operates normally on the 380mm rear rotor. You keep the OE convenience while adding rear thermal capacity for repeated hard stops.

How does this brake in winter or on cold starts?

Carbon ceramic physics are real: an untuned cold ceramic disc bites less than cold iron on the first stop. We address this by optimizing both the pad compound and the disc's ceramic coating for cold starts, so cold-car feel comes very close to summer feel. On the coldest first stops of the day, leave a little extra following distance until things warm through.

What wheels do I need to clear this kit?

The 400mm front rotor sets a 20-inch minimum wheel diameter; anything under 20 inches will not clear it, and spoke geometry matters too. Send us your wheel spec and we confirm clearance before anything ships.

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