Project Mu 2023+ Toyota GR Corolla B-Force Rear Brake Pads
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Improve the rear braking performance of your 2023–2026 Toyota GR Corolla with the Project Mu B-Force rear brake pad set. Also known as B SPEC, this street-performance compound provides dependable braking response and improved resistance to fade during spirited driving.
The super graphite metallic friction material operates across a 0–500°C rotor-temperature range with a 0.32–0.45μ friction coefficient. These rear pads are a practical upgrade for GR Corolla drivers seeking more consistent performance than a standard replacement compound while retaining everyday street usability.
Features
- Vehicle-specific rear brake pads for the Toyota GR Corolla
- Super graphite metallic friction compound
- Dependable braking response for street and sport driving
- Improved resistance to brake fade
- Wide operating range suitable for daily and spirited driving
- Rear axle set for both rear calipers
Specifications
- Manufacturer: Project Mu
- Series: B-Force / B SPEC
- Manufacturer Part Number: PBR004
- Position: Rear
- Material: Super graphite metallic
- Applicable Rotor Temperature: 0–500°C (32–932°F)
- Friction Coefficient: 0.32–0.45μ
- Quantity: One rear axle brake pad set
Fitment
- 2023 Toyota GR Corolla
- 2024 Toyota GR Corolla
- 2025 Toyota GR Corolla
- 2026 Toyota GR Corolla
- Chassis: GZEA14H
- Brake Position: Rear axle
Fitment note: Designed for the factory rear brake system. Confirm manufacturer part number PBR004 before ordering if the vehicle has aftermarket calipers or a modified brake system.
Recommended Use
Recommended for daily driving, performance street use and spirited back-road driving. B-Force is a street-performance compound and is not intended to replace a dedicated racing pad for sustained track use. Performance pads may produce more brake dust or noise than original-equipment pads depending on rotor condition and operating temperature.
What’s Included
- Project Mu B-Force rear brake pads for both rear calipers
Installation hardware is not specified as included. Inspect and replace the original pad hardware as required during installation.
Installation
Professional installation is recommended. Inspect the rear rotors, caliper components, parking-brake system and brake fluid before installation. Follow Toyota service procedures and torque specifications, then complete the appropriate brake-pad bedding procedure. Never apply lubricant to the pad friction material or rotor surfaces.
Proposition 65 Warnings.
Cancer and Reproductive Harm. See details below.
Items that are not CARB Legal will not be sold and ship to California or CARB states.
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