Cusco ALC OS Rear Strut Bar

2011–2025 Mazda RX-8 (SE3P) 1.3L Rotary

Part #: 460 536 A

Overview

The Cusco ALC OS Rear Strut Bar is a high-performance chassis reinforcement component designed specifically for the Mazda RX-8 (SE3P). Crafted from premium materials, this strut bar enhances the rigidity of your vehicle's rear suspension, leading to improved handling, stability, and cornering response. Whether you're a spirited driver on the street or a track enthusiast, this strut bar helps you get the most out of your RX-8’s dynamic capabilities.

Engineered for enthusiasts who demand precision and durability, the Cusco ALC OS Rear Strut Bar is an excellent upgrade to reduce chassis flex and improve overall vehicle control. Its lightweight construction ensures that performance gains are achieved without adding unnecessary weight, maintaining the nimbleness and agility that Mazda RX-8 owners cherish.

Key Features

The Cusco ALC OS Rear Strut Bar combines advanced materials and meticulous engineering to deliver superior performance and aesthetic appeal. Key features include:

• Constructed from high-quality aluminum with a real carbon fiber wrap, offering an optimal balance between lightweight design and structural strength.
• The aluminum pipe features an oval cross-section (ALCOS), which enhances rigidity while maintaining a sleek, sporty appearance.
• Finished with a durable titanium gray coating on brackets and plates, providing corrosion resistance and a refined look that complements the engine bay or trunk area.
• Precise fitment with specially designed end plate brackets ensures flawless installation tailored for the Mazda RX-8 (SE3P).
• The carbon fiber wrap not only adds a sporty aesthetic but also contributes to weight reduction, helping improve overall vehicle responsiveness.
• Designed to reinforce the rear chassis, reducing flex during aggressive driving or cornering for more predictable handling.
• Manufactured with attention to detail, ensuring durability and long-lasting performance under demanding conditions.

Construction & Design

The Cusco ALC OS Rear Strut Bar features a one-piece aluminum pipe with an oval cross-section, which is engineered for maximum torsional rigidity. The pipe is wrapped in real carbon fiber, combining lightweight properties with a high-end, race-inspired look. The brackets and end plates are finished in titanium gray, providing a sleek contrast and corrosion resistance. The precise engineering and high-quality materials ensure a perfect fitment for the Mazda RX-8 (SE3P), making installation straightforward without the need for modifications.

Performance & Sound

By installing the Cusco ALC OS Rear Strut Bar, you will notice an immediate improvement in chassis stiffness, which translates to sharper handling and more confident cornering. The reinforcement reduces body flex, allowing your suspension to work more effectively and providing a more connected driving experience. While this component does not directly affect engine sound, the enhanced chassis rigidity can contribute to a more solid and composed ride feel during spirited driving.

Installation & Fitment

The Cusco ALC OS Rear Strut Bar is designed as a bolt-on upgrade that requires no cutting, drilling, or complex modifications. It mounts directly to the factory mounting points using the included brackets and hardware, ensuring a secure and stable installation. The process typically takes less than an hour and can be performed with basic hand tools. Proper installation ensures optimal performance and longevity of the component.

• Easy bolt-on installation with no cutting or drilling required
• Designed specifically for the Mazda RX-8 (SE3P) 1.3L Rotary engine
• Includes all necessary brackets and hardware for a complete, hassle-free upgrade

What's Included

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

Ideal For

This Cusco ALC OS Rear Strut Bar is perfect for Mazda RX-8 owners seeking to improve chassis stiffness, handling precision, and aesthetic appeal. It is especially beneficial for those who participate in spirited driving, track days, or simply want a more responsive and confident driving experience in their daily vehicle.

Emissions Note

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