Perrin Performance Master Cylinder Brace

Part #: PSP-BRK-401BK

Overview

The Perrin Master Cylinder Brace is a high-quality upgrade designed for Subaru Impreza WRX STI models from 2008 to 2014. This component is engineered to enhance the rigidity of your vehicle’s firewall, specifically around the master cylinder area. By providing a solid connection between the firewall, master cylinder, and shock tower, this brace helps reduce unwanted flex during braking, resulting in a more responsive and consistent pedal feel. It is ideal for enthusiasts seeking improved braking performance, increased pedal stiffness, and a more confident driving experience. Crafted from CNC-machined 6061 aluminum and CNC-formed steel, this brace combines durability with lightweight construction, ensuring long-lasting performance without adding unnecessary weight to your vehicle.

Key Features

This master cylinder brace features a precision-machined design that ensures a perfect fit and maximum strength. Its robust construction helps support the firewall during aggressive braking, minimizing flex and maintaining optimal pedal response. The use of CNC-machined 6061 aluminum and steel provides excellent durability and corrosion resistance. The design is intended to reinforce the structural integrity of the firewall, helping to deliver a more solid and predictable brake pedal feel. Installation is straightforward, with hardware included for a secure fit that integrates seamlessly with your vehicle’s existing components. This upgrade is suitable for street driving, spirited canyon runs, or track days where consistent braking performance is critical.

Construction & Design

The Perrin Master Cylinder Brace is constructed from CNC-machined 6061 aluminum and CNC-formed steel, combining lightweight strength with durability. Its precise manufacturing ensures a snug fit and reliable performance, designed to withstand the rigors of aggressive driving and frequent use. The design features a bridge-like structure that reinforces the firewall, preventing unwanted movement and flex during heavy braking.

Driving Feel & Feedback

By reducing firewall flex, this brace provides a more solid and responsive brake pedal, allowing you to better gauge braking force and improve overall control. The increased pedal stiffness enhances driver confidence, especially during high-performance driving or emergency stops.

Installation & Fitment

Installation involves securing the brace between the firewall, master cylinder, and shock tower using the included hardware. The process is straightforward and designed for a direct bolt-on upgrade, with no modifications required for compatible Subaru Impreza WRX STI models from 2008 to 2014.

What’s Included

The package includes the CNC-machined aluminum and steel master cylinder brace along with all necessary mounting hardware for a complete installation.