The build: stock vs. STOPFLEX CCB
| Spec | Stock Panamera 971 | STOPFLEX CCB upgrade |
|---|---|---|
| Vehicle | Porsche Panamera (971) | Porsche Panamera (971) |
| Front rotor | OEM iron disc | 420 mm carbon ceramic, factory 10-piston caliper |
| Rear rotor | OEM iron disc | 380 mm carbon ceramic, factory 4-piston caliper |
| Calipers | Factory 10-piston front / 4-piston rear | Reused, rotors only |
| Pads | OEM compound | STOPFLEX CCB-matched ceramic pad |
| Wheel | OEM 21-inch | OEM 21-inch (confirm wheel design) |
| Scope | — | Front + rear rotor conversion, factory calipers retained |
Read this before you order
This is a rotor swap for the Panamera 971 with the factory fixed 10-piston front and 4-piston rear calipers, sized to fit inside OEM 21-inch wheels. Wheel designs vary, so confirm your exact car and wheel package match the 10-piston front layout before buying.
What changes on a 971, and why
| STOPFLEX feature | Why it matters on the Panamera 971 | What you notice |
|---|---|---|
| Carbon ceramic rotors, ~half the weight of steel | The 971 is a heavy, fast four-door. Steel discs pile on unsprung weight at every corner, and the suspension has to fight that mass over bumps and through corners. | Lighter, quicker turn-in and a calmer ride over broken pavement. |
| Holds ~0.3μ friction at 900°C | Luxury-sedan mass plus real speed means repeated high-load stops build serious heat. Iron rotors start feeling long when they soak it. | Brake feel stays consistent on fast roads and long descents. |
| Low-dust pad pairing | Those big 21-inch wheels put brake dust right out in the open on a car you want looking clean. | Far less black dust on the wheel faces between washes. |
| Rotors that don't rust | A daily-driven premium car gets rained on and washed often, and bare iron edges go orange fast. | No surface rust staining after rain or a wash. |
| Long-fiber CCB construction | A grand tourer has to behave on a cold first stop, not just when warm. | Normal first-stop bite even in deep cold, around -20°C. |
What gets better
- Less unsprung weight at all four corners for sharper response
- Steadier pedal under repeated hard braking from speed
- Much lower brake dust with the matched STOPFLEX pads
- No orange rust on the rotors after rain or washing
- Long street service life, roughly 250,000–300,000 km without track use
What to confirm first
- Your car runs the factory 10-piston front and 4-piston rear calipers
- Front 420 mm / rear 380 mm layout matches your setup
- Your 21-inch wheel design clears the rotor and caliper
- You're pairing the rotors with the matched STOPFLEX ceramic pads
If you're not sure your car matches the spec shown here, send us your details and we'll confirm Porsche Panamera 971 fitment before you order through our Porsche CCB collection.
Build gallery
Panamera 971 CCB questions
My Panamera 971 has the big 10-piston front calipers. Is this a direct fit?
Yes. The STOPFLEX rotor system is built as a bolt-on for Panamera 971 cars running the factory 10-piston front and 4-piston rear calipers. It's designed around the original caliper offset and brake hardware, so you keep your calipers and swap the rotors.
Why not just adapt Cayenne or other Porsche carbon ceramic parts?
Making a part physically fit isn't the same as keeping the brake balance the car was engineered with. This setup is sized for the Panamera 971, so rotor diameter and caliper fitment stay correct instead of being a parts-bin workaround.
Is carbon ceramic worth it if I mostly drive on the street?
For most owners, yes. The everyday wins are lower unsprung weight, far less brake dust with STOPFLEX pads, rotors that don't rust after rain, and steadier feel when you lean on the brakes from speed.
Will it fit inside the factory 21-inch wheels?
This 420 mm front and 380 mm rear configuration is set up to fit inside factory 21-inch wheels. Wheel design varies, so confirm clearance for your exact wheel package before ordering.
How long do STOPFLEX carbon ceramic rotors last on a street-driven Panamera?
For street use without track abuse, STOPFLEX puts typical service life around 250,000 to 300,000 km. Real mileage depends on how you drive, your pad choice, and overall brake condition.
