Ford Mustang S550 (2015–2024) – DBA T3 4000 Series Rear Brake Kit (DBA42165S + DB9022XP)
This DBA 4000 Series T3 rear brake kit with Xtreme Performance pads is designed for Mustang owners looking for higher braking performance and consistency under demanding conditions.
Built for fast road driving and occasional track use, this kit delivers stronger rear braking, improved heat management and better overall balance compared to standard OEM setups.
What’s Included
- 2x DBA42165S – 4000 Series T3 Slotted Discs
- 1x DB9022XP – Xtreme 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
- Xtreme Performance pads for higher friction and braking force
- Direct fit replacement with no modifications required
- Matched components from a single manufacturer
Performance Benefits
This kit is designed for drivers who push their cars harder and need consistent braking performance from the rear.
The T3 slot design improves pad contact and helps remove gases under braking, maintaining strong and predictable braking performance.
DBA’s Kangaroo Paw ventilation system improves cooling, reducing heat build-up and helping prevent brake fade during repeated heavy use.
Xtreme Performance pads provide strong initial bite and maintain consistent friction across a wide temperature range, making them suitable for aggressive road driving and occasional track use.
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 Xtreme Performance pads are designed for higher load applications:
- Semi-metallic, carbon fibre friction material
- G-G friction rating (0.45 average mu across temperature range)
- Excellent high temperature performance
- Consistent braking performance up to 550°C
- Strong initial bite and improved stopping power
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 – DB9022XP
- Width: 126.8mm
- Height: 47.9mm
- Thickness: 16.6mm
- FMSI: 9022-D1793
- OEM References: FR3Z2200A, FR3Z2200C, FR3Z2200D
- ECE R90: E11 R90-02A01584/53202
- Axle: Rear
- Weight: 1.42kg
Why This Kit?
- Higher friction and improved rear braking performance
- Better heat resistance during repeated heavy braking
- More consistent braking under load
- Suitable for fast road driving and occasional track use
- Direct fit upgrade with no modifications required
Vehicle Fitment
Ford Mustang (6th Generation – S550)
- 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
This is the rear setup for drivers who want more than just a basic upgrade.
Stronger bite, better heat handling and improved confidence when braking hard.
Final Word
If you are pushing your Mustang harder, this rear kit matches that level of performance.
Consistent, capable and built for demanding use.
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