Description
Upgrade the rear braking system of your 2018–2021 Subaru STI or 2022–2026 Subaru WRX equipped with Brembo brakes with the FactionFab Full Rear Brake Kit Combo. This complete performance-oriented package combines V2 slotted brake rotors, V2 semi-metallic brake pads, stainless steel brake lines, and titanium brake shims for improved braking response, thermal management, pedal feedback, and consistency.
This convenient kit includes all four components in one package and provides an additional 10% discount compared with purchasing the components separately. It is an excellent solution for enthusiasts looking to refresh or upgrade their rear braking system for daily driving, aggressive street use, autocross, and light track applications.
Kit Includes
- 2 × FactionFab V2 Slotted Rear Brake Rotors
- SKU: FFA1.10297.1
- Rotor diameter: 326mm
- 1 × FactionFab V2 Rear Brake Pad Set
- SKU: FFA1.10313.1
- 1 × Pair of FactionFab Rear Stainless Steel Brake Lines
- SKU: FFA1.10211.1
- 1 × Set of FactionFab Titanium Rear Brake Shims
- SKU: FFA1.10316.2
V2 Performance Brake Pads
FactionFab V2 Brake Pads are engineered for enthusiasts who demand consistent, reliable, and predictable braking performance. The semi-metallic Stage 1 compound is designed for aggressive street driving, daily use, autocross, and light track applications, providing strong initial bite, controlled modulation, and efficient heat dissipation.
The compound features an approximately 0.39µ average coefficient of friction and approximately 0.44µ at cold temperatures, delivering strong low-temperature performance while maintaining predictable characteristics as brake temperatures rise.
Textured steel shims help manage heat and retain grease, while OE-spec backing plates, gas slots, and chamfers are designed for precise fitment and reduced vibration. Laser-cut backing plates further contribute to durability and noise control.
Brake Pad Features
- Semi-metallic Stage 1 compound
- Approximately 0.39µ average coefficient of friction
- Approximately 0.44µ coefficient at cold temperatures
- Designed for aggressive street driving, autocross, and light track use
- Efficient heat dissipation
- Strong low-temperature braking performance
- Predictable thermal characteristics
- Textured steel shims for heat dissipation and grease retention
- OE-spec backing plates, gas slots, and chamfers
- Laser-cut backing plates
- Designed to reduce vibration and noise
- Hardware included where applicable
V2 Slotted Rear Brake Rotors
FactionFab V2 Brake Rotors are constructed from G11H18 high-carbon iron alloy to provide effective heat dissipation, reduced vibration, and consistent braking performance under repeated braking conditions.
The distinctive FactionFab F-design slots help evacuate brake dust and gases from the pad-to-rotor contact surface, helping maintain consistent friction and braking performance.
Each rotor is precision manufactured using double-disc grinding for accurate thickness and a consistent surface finish. The rotors are also mill balanced to promote smooth, vibration-free operation.
A full Geomet zinc coating is applied to the inside and outside surfaces for enhanced corrosion resistance. The rotors feature a dual-drilled 5x100 / 5x114 bolt pattern, depending on the application, and include M8 threaded removal holes for easier servicing.
Brake Rotor Features
- G11H18 high-carbon iron alloy construction
- Precision F-design slotted surface
- Designed for improved heat dissipation
- Helps evacuate brake dust and gases
- Full Geomet zinc coating inside and outside
- Dual-drilled 5x100 / 5x114 applications
- 326mm rotor diameter
- M8 threaded removal holes
- Part number and minimum thickness stamped on the rotor edge
- Bi-directional design for left- or right-side installation
- Double-disc ground for accurate thickness and surface finish
- Mill balanced for smooth, vibration-free operation
Stainless Steel Rear Brake Lines
The included FactionFab stainless steel brake lines replace the factory rubber brake lines and are designed to provide a more direct connection between the brake pedal and caliper.
Factory rubber lines can soften and expand under pressure over time. The FactionFab lines use a PTFE Teflon inner liner reinforced with a stainless steel woven layer to help minimize expansion and provide more consistent brake pedal feedback.
The lines also feature a clear PCV abrasion-resistant outer coating that helps protect against chafing, abrasion, and impacts. Precision-machined stainless steel fittings provide accurate fitment and corrosion resistance.
Brake Line Features
- Stainless steel precision-machined fittings
- PTFE Teflon inner liner
- Stainless steel woven reinforcement layer
- Abrasion- and impact-resistant construction
- Clear PCV abrasion-resistant outer coating
- Helps protect against chafing
- 4500 PSI burst pressure tested
- Improved brake pedal feedback
- Helps reduce expansion associated with factory rubber lines
- 100% model-specific fitment
- Installation hardware included
Titanium Brake Shims
The included FactionFab Titanium Brake Shims provide a thermal barrier between the brake pad and caliper piston. During aggressive street driving, autocross, or track use, repeated braking generates substantial heat that can transfer from the brake pad into the caliper and brake fluid.
The shims are manufactured from 6AL-4V / Grade 5 titanium, which has significantly lower thermal conductivity than steel. Their 1.0mm thickness provides additional thermal insulation between the pad and caliper piston, helping reduce heat transfer and maintain more consistent brake performance during demanding use.
By helping manage caliper temperatures, the shims can help reduce the potential for heat-related brake fade and extend brake pad life.
Titanium Shim Features
- 4 shims included
- Made from 6AL-4V / Grade 5 titanium
- 1.0mm thick
- Low thermal conductivity compared with steel
- Acts as a thermal barrier between the brake pad and caliper piston
- Helps reduce heat transfer into the caliper
- Helps reduce the potential for heat-related brake fade
- Can help extend brake pad life
- Designed for demanding street, autocross, and track applications
- Check official SCCA and NASA rules for competition-specific legality
Vehicle Fitment
- 2018–2021 Subaru STI – Brembo
- 2022–2026 Subaru WRX – Brembo
Important: This kit is designed for the specified Brembo-equipped rear brake applications. Verify your vehicle's exact year, brake configuration, rotor dimensions, and caliper setup before ordering.
Complete Rear Brake Upgrade
The FactionFab Full Rear Brake Kit combines the key components needed for a comprehensive rear brake upgrade. The combination of high-carbon slotted rotors, semi-metallic performance pads, stainless steel brake lines, and 1.0mm titanium thermal shims is designed to improve braking consistency, pedal feedback, heat management, and overall braking performance.
With a 10% package discount, this kit provides a convenient and cost-effective alternative to purchasing each component individually.
