Cusco ALC OS Rear Strut Brace

Subaru Legacy B4 (BE5) / Legacy/Outback (BH5/9) 1998–2003

Part #: 680 536 A

Overview

The Cusco ALC OS Rear Strut Brace is a high-performance suspension upgrade designed specifically for Subaru Legacy B4 (BE5) and Legacy/Outback models from 1998 to 2003. Crafted from lightweight aluminum and wrapped in real carbon fiber, this strut brace enhances your vehicle's chassis rigidity, providing improved handling, stability, and cornering response. Whether you're a spirited driver, a motorsport enthusiast, or someone seeking to improve daily driving confidence, this strut brace offers a perfect blend of performance and style.

By reinforcing the rear suspension mounting points, the Cusco ALC OS Rear Strut Brace reduces chassis flex during aggressive driving, translating to more precise steering and better feedback. Its sleek design not only boosts performance but also adds a sporty aesthetic to your engine bay, making it a popular choice among Subaru enthusiasts who want both form and function.

Key Features

The Cusco ALC OS Rear Strut Brace incorporates several advanced features to maximize its performance benefits:

• Constructed from high-quality aluminum with a carbon fiber wrap, combining lightweight strength with a premium appearance.
• Designed with an oval shaft (ALCOS) profile that offers optimal rigidity while maintaining minimal weight impact.
• End plate brackets are precisely engineered for flawless fitment on specific Subaru models, ensuring secure attachment and ease of installation.
• The titanium gray finish on brackets and plates provides a durable, corrosion-resistant surface that complements the carbon fiber aesthetic.
• Reduces chassis flex during cornering and spirited driving, improving overall handling and driver confidence.
• Lightweight design helps maintain vehicle balance and responsiveness without adding unnecessary weight.
• Enhances the sporty look of your engine bay, giving your Subaru a more aggressive and race-inspired appearance.
• Manufactured with precision to meet or exceed OEM standards for durability and performance.

Construction & Design

The Cusco ALC OS Rear Strut Brace features a robust construction utilizing aluminum for its lightweight yet strong properties. The oval-shaped shaft (ALCOS) design is engineered through CAD development and tested for maximum rigidity, ensuring it effectively minimizes chassis flex. The carbon fiber wrap not only reduces weight but also provides a distinctive, high-end visual appeal that highlights the sporty character of your vehicle.

The end plate brackets are finished in a titanium gray color, offering corrosion resistance and a sleek look that complements the carbon fiber plates. The precise fitment brackets are designed for easy installation, aligning perfectly with factory mounting points to ensure a secure and stable connection without the need for modifications.

Performance & Sound

While this strut brace primarily enhances handling and chassis stiffness, users may notice a more responsive steering feel and improved stability during aggressive driving or cornering. The reduction in chassis flex translates to more predictable handling characteristics, especially on twisty roads or during track days. The lightweight construction also helps maintain overall vehicle balance, contributing to a more confident driving experience.

Installation & Fitment

The Cusco ALC OS Rear Strut Brace is designed as a direct bolt-on upgrade for Subaru Legacy B4 (BE5) and Legacy/Outback (BH5/9) models from 1998 to 2003. Installation is straightforward, requiring only basic hand tools. The brackets are engineered for a flawless fitment on the factory mounting points, with no cutting, drilling, or additional modifications necessary. The process typically takes less than an hour, making it an accessible upgrade for enthusiasts and DIYers alike.

• Securely mounts to existing suspension points without the need for drilling or welding.
• Includes all necessary brackets and hardware for a hassle-free installation.
• Designed to complement other suspension and chassis upgrades for maximum performance gains.

What's Included

• Aluminum and carbon fiber wrap rear strut brace
• End plate brackets finished in titanium gray
• All necessary mounting hardware and bolts
• Installation instructions

Ideal For

• Subaru enthusiasts seeking improved handling and chassis rigidity
• Performance drivers and motorsport participants
• Owners looking to enhance the sporty appearance of their engine bay
• Anyone wanting a durable, lightweight upgrade that combines style and function

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.