Wilwood Dynapro Front Big Brake Kit for Subaru WRX (2002–2021) & STI (2004–2021) – 12” Rotors - 4 Piston Calipers

Part Number
140-9193

Overview
The Wilwood Dynapro Front Big Brake Kit (140-9193) is engineered for Subaru WRX and STI platforms seeking a reliable upgrade over factory braking performance. Designed for daily driving and mild performance use, this system delivers improved stopping power, better heat management, and consistent pedal response.

Featuring forged 4-piston calipers paired with 12-inch rotors, this front brake kit provides a balanced upgrade that improves braking confidence while maintaining street-friendly drivability. Designed for street and light performance applications.

Performance Tier
This is our entry-level performance brake package, ideal for drivers looking to improve braking performance over stock without stepping into a full motorsports setup.

Features
Dynapro forged 4-piston calipers for improved clamping force and even pad distribution
12.00-inch vented rotors for increased braking efficiency over factory systems
Improved braking performance and control
Better heat dissipation during daily and spirited driving
Lightweight, performance-focused construction
Consistent pedal feel and response

Configuration Options
Available in black or red caliper finishes to complement your build

Rotor configurations available in slotted or drilled and slotted designs, allowing you to tailor braking performance and appearance

What’s Included
(2) Wilwood Dynapro front 4-piston calipers
(2) 12" vented front rotors
(2) Aluminum rotor hats
(2) Caliper mounting brackets
Wilwood performance street compound brake pads
Rotor-to-hat mounting hardware
Caliper mounting hardware (bolts, washers, spacers)
Installation hardware kit

Front kit only. Rear components not included.

Required Components
Wilwood brake line kit is required for installation and is not included with this kit.
Recommended line kit: Wilwood 220-12857 flexline kit (sold separately).

Fitment
Subaru WRX & STI
2002–2021 WRX
2004–2021 STI

GC8 Compatibility
May fit 1993–2001 Subaru Impreza (GC8) when equipped with WRX or STI knuckles (spindles).
Fitment will vary depending on setup and configuration.

Fitment Notes
Designed for WRX/STI spindle geometry
17” wheels minimum depending on setup (verify clearance before purchase)
Wheel clearance must be verified prior to installation
Professional installation recommended
Confirm fitment before purchase

Shipping & Availability
Ships directly from manufacturer. Processing and delivery times may vary based on manufacturer availability and production schedule.

Need help confirming fitment? Contact us before purchase.