Ford Mustang S550 / S650 (2015–2024) – DBA T3 4000 Series Rear Brake Kit (DBA42165S + DB9022SP)
This DBA 4000 Series T3 rear brake kit is designed to improve braking performance and consistency over standard OEM rear discs and pads.
Combining slotted rotors with DBA Street Performance pads, this kit delivers better heat management, improved braking balance and a more consistent pedal feel, making it a solid upgrade for daily driven and performance-focused Mustangs.
What’s Included
- 2x DBA42165S – 4000 Series T3 Slotted Discs
- 1x DB9022SP – Street Performance Brake Pads (Rear Axle)
A matched disc and pad combination designed and tested to work together.
Key Features
- Complete rear brake upgrade kit
- T3 slotted rotors for improved bite and gas dispersion
- 4000 Series high carbon alloy discs for durability and performance
- Street Performance pads for low dust and consistent friction
- Direct fit replacement with no modifications required
- Matched components from a single manufacturer
Performance Benefits
This kit is designed to enhance overall braking performance by improving rear braking consistency and heat control.
The T3 slot design helps maintain pad contact and improve braking response by allowing gases to escape under load.
DBA’s Kangaroo Paw ventilation system improves airflow through the disc, helping reduce heat build-up and maintain stable braking performance during repeated use.
Street Performance pads provide smooth and predictable braking with minimal dust, making them ideal for road use and fast driving.
Disc Technology
DBA 4000 Series discs feature:
- Kangaroo Paw ventilation system with 144 diamond and tear drop pillars for improved cooling
- T3 slot design for enhanced braking response and pad cleaning
- Thermal Stability Profiling to improve durability under heavy braking conditions
Pad Performance
DBA Street Performance pads are designed for everyday and performance use:
- Semi-metallic friction material
- F-F friction rating (0.35 average mu across temperature range)
- Consistent braking performance up to 438°C
- Low wear and reduced brake dust
Specifications
Discs – DBA42165S
- Diameter: 330mm
- Thickness: 25mm
- Minimum Thickness: 23mm
- Vent Type: Kangaroo Paw
- Number of Holes: 5
- Inner Diameter: 71mm
- Height: 43.7mm
- Pitch Circle: 114.3mm
- Stage: Stage 4
- ECE R90: E1190R02/0660531*00
- Weight: 8.6kg (each)
Pads – DB9022SP
- Width: 126.8mm
- Height: 47.9mm
- Thickness: 16.6mm
- FMSI: 9022-D1793
- OEM References: FR3Z2200A, FR3Z2200C, FR3Z2200D
- Axle: Rear
- Weight: 1.35kg
Why This Kit?
- Improves rear braking consistency and balance
- Better heat management during repeated braking
- Smooth and predictable braking performance
- Reduced brake fade under load
- Direct fit upgrade with no modifications required
Vehicle Fitment
Ford Mustang (6th Generation – S550 / early S650)
- 2.3 EcoBoost (317BHP) with vented rear discs
- 5.0 V8 (416BHP)
- Model years: 2015–2024
- Rear axle
Important Information
- Direct replacement for factory rear brake setup
- No modifications required
- Professional installation recommended
- Always follow correct bedding-in procedure after installation
Why We Rate It
A solid rear upgrade that complements front brake improvements properly.
Helps maintain balance under braking and improves overall confidence, especially when pushing the car harder.
Final Word
If you are upgrading the front brakes, this is the rear setup to match.
Consistent, reliable and built to handle real driving conditions.
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