Cusco Type-AS Rear Strut Brace

2011–2025 Mazda Familia (BFMR) / Protege / 323 4WD (BFMR) 413 511 A

Part #: 413 511 A

Overview

The Cusco Type-AS Rear Strut Brace is a lightweight and high-strength performance upgrade designed specifically for Mazda models including the Familia (BFMR), Protege, and 323 4WD (BFMR). Engineered to enhance chassis rigidity, this rear strut brace helps improve handling response and stability during spirited driving, cornering, and everyday use. Whether you're a performance enthusiast or a daily driver looking for improved vehicle control, this strut brace offers a simple yet effective solution to reinforce your vehicle's suspension system.

Constructed from high-quality aluminum and steel components, the Cusco Type-AS rear strut brace is designed for easy bolt-on installation without the need for modifications. Its lightweight construction ensures that your vehicle's weight distribution remains optimized while providing the added benefit of increased chassis stiffness. This upgrade is ideal for drivers seeking enhanced steering feel, reduced body roll, and improved overall handling performance.

Key Features

The Cusco Type-AS Rear Strut Brace incorporates several advanced features to maximize performance and durability:

• Constructed from hollow aluminum shaft for a lightweight yet rigid structure that minimizes added weight to your vehicle.
• Steel end plate brackets painted in Cusco's signature blue provide a flawless fitment tailored to each vehicle application, ensuring secure attachment points.
• Designed for both front and rear upper strut locations, offering versatile chassis reinforcement options.
• Simple bolt-on installation process that requires no cutting or drilling, making it accessible for DIY enthusiasts and professional installers alike.
• High-quality materials and precise engineering ensure long-lasting performance and resistance to corrosion.
• Enhances vehicle handling by reducing chassis flex, resulting in more responsive steering and improved cornering stability.
• Lightweight design maintains overall vehicle weight and balance, contributing to better acceleration and braking performance.
• Finished with durable paint and protective coatings to withstand harsh driving conditions and environmental exposure.

Construction & Design

The Cusco Type-AS Rear Strut Brace features a meticulously engineered design that combines lightweight aluminum with robust steel end plates. The hollow aluminum shaft provides an optimal balance between strength and weight savings, helping to reinforce the rear suspension mounting points without adding unnecessary mass. The steel end plates are precisely painted in Cusco's trademark blue, not only for aesthetic appeal but also for corrosion resistance and durability.

The brace's simple bolt-on design ensures a secure fitment that aligns perfectly with the factory mounting points. Its compact and streamlined profile minimizes interference with other components in the engine bay or trunk area, maintaining a clean and professional appearance. The use of high-quality materials and precise manufacturing processes guarantees a long-lasting upgrade that withstands the rigors of daily driving and spirited performance sessions.

Performance & Sound

While the Cusco Type-AS Rear Strut Brace does not produce noticeable sound changes, its primary benefit lies in enhancing vehicle handling and chassis stiffness. By reducing flex and body roll during cornering, you'll experience more precise steering response and improved stability. This upgrade supports a more confident driving experience, especially on twisty roads or during aggressive maneuvers. Although specific horsepower or torque gains are not claimed, the structural reinforcement provided by this brace contributes to a more connected and responsive driving feel.

Installation & Fitment

The Cusco Type-AS Rear Strut Brace is designed for a straightforward bolt-on installation. It mounts directly to the factory upper strut mounting points in the rear suspension, requiring no cutting, drilling, or additional modifications. The process typically involves removing the existing bolts and attaching the brace using the included hardware. No special tools or tuning are necessary, making this an accessible upgrade for both DIY enthusiasts and professional technicians.

• Simple bolt-on installation with factory mounting points
• No cutting, drilling, or tuning required
• Compatible with Mazda Familia (BFMR), Protege, and 323 4WD (BFMR) models from 2011 to 2025

What's Included

• Hollow aluminum rear strut brace
• Steel end plate brackets with Cusco blue finish
• All necessary mounting hardware and bolts
• Installation instructions

Ideal For

• Enthusiasts seeking improved chassis rigidity and handling response
• Owners of Mazda Familia, Protege, or 323 4WD models looking for a simple suspension upgrade
• Drivers who want a lightweight, durable reinforcement for spirited driving or daily use

Emissions Note

This product is designed for off-road or racing use only and may not be legal for street use in all jurisdictions. Please check local regulations before installation.