★★★★★ 5
Top of the line high quality
Top of the line great filter
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Reviewed in the United States on March 24, 2026
OEM 12.3" Big Brake Upgrade
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
OEM 12.3" Big Brake UpgradeUtilizing OEM TT Caliper Carriers and Audi A8 rotors, this brake upgrade package is just what your A4 or Passat needs to get real stopping power! Bolt on simplicity, it allows you to retain your stock calipers and pads while increasing overall rotor diameter and braking leverage! A great budget minded upgrade each kit comes with OEM Carriers, Rotor blanks (brembo,zimmerman,ate,op) and caliper sliders. Sold as complete kit
Quick Dispatch:
Your OEM 12.3" Big Brake Upgrade orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your OEM 12.3" Big Brake Upgrade ships.
Need Help?
Questions about OEM 12.3" Big Brake Upgrade, sizing, or delivery? We're just an email away.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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Reviewed in the United States on January 22, 2026
★★★★★ 5
Good product
Excellent product, fast delivery, good price. I would recommend this company.
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Reviewed in the United States on September 20, 2025
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