Cusco Rear Strut Brace

2011–2025 Subaru Forester SF5 / SG9 / SG5

Part #: 658 511 A

Overview

The Cusco 20mm Rear Strut Brace Type-AS is a high-quality performance upgrade designed specifically for Subaru Forester models from 2011 to 2025. Crafted to enhance chassis rigidity and improve handling response, this rear strut brace is an essential component for enthusiasts seeking a more connected and confident driving experience. Whether you're a daily driver looking for improved stability or a spirited driver pushing your vehicle on twisty roads, this strut brace helps support your vehicle's structural integrity during aggressive maneuvers.

Constructed with lightweight aluminum and steel components, the Cusco rear strut brace provides a significant upgrade over the stock setup without adding unnecessary weight. Its simple bolt-on installation makes it accessible for both seasoned mechanics and DIY enthusiasts, allowing you to upgrade your Subaru Forester's chassis with minimal effort and maximum performance benefits.

Key Features

The Cusco Rear Strut Brace Type-AS offers a combination of durable materials and precise engineering to deliver optimal performance and fitment. Here are some of its key features:

• Constructed with a hollow aluminum shaft that maintains lightweight characteristics while providing high rigidity, reducing flex in the rear suspension during cornering and spirited driving.
• Steel end plate brackets, painted in Cusco's signature blue, ensure flawless fitment tailored specifically for Subaru Forester SF5, SG9, and SG5 models.
• Designed for easy bolt-on installation at the rear upper strut locations, requiring no cutting or drilling, and compatible with existing OEM mounting points.
• Enhances chassis stiffness, which can lead to improved handling, reduced body roll, and more precise steering response.
• Lightweight design minimizes impact on vehicle weight distribution, maintaining overall driving dynamics.
• Manufactured with high-quality materials to withstand the rigors of daily driving and spirited performance use.
• Provides a subtle yet effective upgrade that complements other suspension and chassis modifications for a comprehensive handling improvement.
• Finished with durable paint and corrosion-resistant coatings to ensure longevity and maintain appearance over time.

Construction & Design

The Cusco Rear Strut Brace Type-AS is meticulously engineered to maximize strength while minimizing weight. The main shaft is made from hollow aluminum, which offers excellent rigidity and reduces overall mass, contributing to improved vehicle responsiveness. The steel end plates are precisely machined and painted in Cusco's trademark blue, ensuring a perfect fit and a sleek appearance. The design features a simple bolt-on installation process that aligns perfectly with the factory mounting points, eliminating the need for modifications or additional hardware.

This strut brace is designed to reinforce the rear suspension mounting points, effectively reducing chassis flex during cornering and aggressive driving. Its lightweight construction ensures that the vehicle's handling characteristics are enhanced without adding unnecessary weight, preserving the vehicle's balance and ride quality. The use of high-quality materials and precise manufacturing processes guarantees durability and long-term performance, making it a reliable upgrade for Subaru Forester owners.

Performance & Sound

While the Cusco Rear Strut Brace does not directly increase horsepower or torque, it significantly improves the structural integrity of your vehicle's chassis. This enhancement results in more predictable handling, sharper steering response, and reduced body roll, especially during spirited driving or on twisty roads. The brace's lightweight design ensures that there is no adverse impact on ride comfort or overall vehicle dynamics.

Installation & Fitment

The Cusco Rear Strut Brace Type-AS is designed for straightforward, bolt-on installation. It mounts directly to the rear upper strut locations using the existing factory mounting points, requiring no cutting, drilling, or additional modifications. The process typically involves removing the rear upper strut mount bolts, positioning the brace, and securing it with the supplied hardware. No tuning or alignment adjustments are necessary, making this a hassle-free upgrade that can be completed in under an hour.

• Simple bolt-on installation at rear upper strut locations
• No cutting, drilling, or tuning required
• Compatible with Subaru Forester SF5, SG9, and SG5 models (2011–2025)

What's Included

• 20mm hollow aluminum shaft bar
• Steel end plate brackets
• All necessary mounting hardware and bolts
• Installation instructions

Ideal For

This Cusco Rear Strut Brace is ideal for Subaru Forester owners who want to improve chassis stiffness and handling response. It is perfect for enthusiasts who enjoy spirited driving, autocross, or light track use, as well as those seeking a more confident driving experience during daily commutes. The upgrade is suitable for both street and performance applications, providing a noticeable improvement in vehicle stability and steering precision.

Emissions Note

This product is designed for off-road or track use only and may not be legal for use on public roads in all jurisdictions. Please check local regulations regarding emissions compliance before installation.