Cusco Rear Strut Brace

2011–2025 Subaru Forester SF5 / SG9 / SG5 2.0L / 2.5L

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 responsive 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 under load.

Constructed with lightweight aluminum and steel components, the Cusco rear strut brace offers a perfect balance of strength and weight savings. Its simple bolt-on installation makes it an accessible upgrade for both novice and experienced automotive enthusiasts. By reducing flex in the rear suspension, this brace contributes to more precise steering feedback and improved cornering performance, making your Subaru Forester feel more planted and confident on the road or track.

Key Features

The Cusco Rear Strut Brace Type-AS is engineered with several key features that deliver both performance and durability:

• Constructed from hollow aluminum shaft for lightweight yet rigid support, minimizing added weight while maximizing chassis stiffness.
• Steel end plate brackets painted in Cusco's signature blue ensure flawless fitment tailored to your vehicle's rear upper strut mounting points.
• Simple bolt-on installation process requires no cutting or drilling, allowing for quick and hassle-free upgrade.
• Designed specifically for the Subaru Forester SF5, SG9, and SG5 models from 2011 to 2025, ensuring perfect compatibility and fitment.
• Enhances structural rigidity of the rear suspension, leading to improved handling, reduced body roll, and more precise steering response.
• Durable materials and high-quality craftsmanship ensure long-lasting performance even under spirited driving conditions.
• Finished with a sleek, lightweight design that complements the factory suspension components without adding unnecessary bulk.

Construction & Design

The Cusco Rear Strut Brace Type-AS features a straightforward yet effective design focused on maximizing chassis stiffness with minimal weight penalty. The main shaft is made from hollow aluminum, which provides excellent strength-to-weight ratio, helping to reduce flex in the rear suspension during aggressive driving or cornering. The steel end plates are precisely engineered and painted in Cusco's trademark blue, ensuring corrosion resistance and a clean aesthetic that matches other Cusco performance parts.

The bolt-on brackets are engineered for a perfect fit on the specified Subaru Forester models, ensuring secure attachment to the factory mounting points. The use of high-quality materials and precise manufacturing processes, including TIG welding and CAD development, guarantees durability and consistent performance over time. The lightweight construction not only improves handling but also preserves the vehicle's overall weight balance, making it an ideal upgrade for performance-minded drivers.

Installation & Fitment

The Cusco 20mm Rear Strut Brace Type-AS is designed for a straightforward, bolt-on installation. It attaches directly to the rear upper strut mounting points using existing hardware, with no cutting, drilling, or modifications required. The process typically takes less than an hour and can be performed with basic hand tools. For optimal results, it is recommended to tighten all bolts to the manufacturer's specified torque settings. Once installed, you'll immediately notice a more solid feel in the rear suspension and improved handling dynamics.

• Simple bolt-on installation with no cutting or drilling required
• Compatible with Subaru Forester SF5, SG9, and SG5 models from 2011 to 2025
• Designed for both front and rear upper strut locations (installation instructions included)

What's Included

• 20mm hollow aluminum rear strut brace
• Steel end plate brackets painted in Cusco blue
• All necessary mounting hardware and brackets
• Installation instructions

Ideal For

This Cusco Rear Strut Brace is perfect for Subaru Forester owners who want to improve handling, chassis stiffness, and overall driving confidence. It is especially beneficial for those who participate in spirited driving, autocross, or light track days, as well as daily drivers seeking a more responsive and planted feel. By reinforcing the rear suspension, this brace helps your vehicle maintain better alignment and stability during aggressive maneuvers.