Cusco 21mm Rear 3-Way Adjustable Sway Bar

1992–1999 Subaru Legacy Outback BG5 / Subaru Outback 21mm Rear Sway Bar

Part #: 658 311 BJ21

Overview

The Cusco 21mm Rear 3-Way Adjustable Sway Bar is a high-performance suspension upgrade designed specifically for Subaru Legacy Outback models from 1992 to 1999. This sway bar replaces the factory component (if equipped) and offers enhanced stability and handling characteristics, making it an ideal choice for enthusiasts seeking improved cornering performance and reduced body roll.

Built with precision and durability in mind, this sway bar is engineered to provide a significant reduction in body lean during spirited driving or aggressive cornering. Whether you're a daily driver looking for more confidence on winding roads or a performance enthusiast aiming to sharpen your vehicle's responsiveness, this Cusco sway bar delivers consistent, reliable performance.

Key Features

The Cusco 21mm Rear Sway Bar boasts several advanced features that set it apart from stock components:

• Constructed from high-strength steel to resist torsional forces and maintain shape under demanding conditions.
• Designed with a 21mm diameter, providing a substantial increase in stiffness over the factory sway bar, which helps reduce body roll and improve vehicle stability during cornering.
• Three-way adjustable design allows you to fine-tune the sway bar stiffness to match your driving style and road conditions, offering a customizable handling experience.
• Utilizes the factory mounting locations for a straightforward, bolt-on installation without the need for modifications.
• Reduces weight transfer and enhances grip, resulting in more precise steering response and improved overall handling.
• Steel construction ensures durability and long-lasting performance, even under aggressive driving conditions.
• Designed specifically for Subaru Legacy Outback models from 1992 to 1999, ensuring a perfect fit and optimal performance.

Construction & Design

The Cusco sway bar is crafted from high-quality steel, ensuring strength and resilience. Its one-piece, solid construction minimizes flex and torsion, providing consistent handling characteristics. The 21mm diameter tube strikes a balance between stiffness and ride comfort, preventing excessive harshness while significantly reducing body roll. The three-way adjustable feature allows you to select from different stiffness settings, enabling you to tailor the handling to your preferences or specific driving conditions. The sway bar mounts using the original factory locations, making installation straightforward and secure, with no need for drilling or additional modifications.

Performance & Sound

By upgrading to the Cusco 21mm Rear Sway Bar, you'll notice a more planted feel during cornering, with reduced body lean and improved steering response. The increased resistance against torsion helps keep the vehicle stable and balanced, especially during aggressive maneuvers. While this sway bar does not directly increase horsepower or torque, it enhances the vehicle's handling dynamics, allowing you to better utilize your existing power and improve overall driving confidence.

Installation & Fitment

The Cusco 21mm Rear Sway Bar is designed for a bolt-on installation using the factory mounting points. No cutting, drilling, or complex modifications are required. The three-way adjustable feature provides flexibility to set the desired stiffness level, making it suitable for both street driving and spirited performance applications. Basic mechanical skills and standard hand tools are sufficient for installation, which can typically be completed within an hour.

• Uses factory mounting locations for a direct bolt-on upgrade.
• No cutting, drilling, or tuning required.
• Includes all necessary hardware and instructions for a hassle-free installation.

What's Included

• Complete 21mm rear sway bar assembly
• Mounting brackets and bushings
• Adjuster links for three-way stiffness control
• All necessary hardware and installation instructions

Ideal For

This Cusco sway bar is perfect for Subaru Outback and Legacy owners who want to improve their vehicle's handling and cornering capabilities. It's especially beneficial for those who enjoy spirited driving, autocross, or light track use, and seek a reliable upgrade that enhances stability without sacrificing ride comfort.

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.