Whiteline Rear Sway Bar

2013–2016 Scion FR-S, 2017–2024 Toyota 86, 2013–2024 Subaru BRZ

BSR53XZ

Overview:

The Whiteline 18mm Adjustable Rear Sway Bar is a premium suspension upgrade designed specifically for the Scion FR-S (2013–2016), Toyota 86 (2017–2024), and Subaru BRZ (2013–2024). This adjustable sway bar enhances your vehicle’s handling by reducing body roll during cornering, resulting in improved grip, stability, and driver confidence. Ideal for enthusiasts seeking a balanced and tunable suspension setup, the Whiteline sway bar delivers a noticeable improvement in cornering performance without compromising ride comfort.

By allowing adjustment of the lever arm length, this sway bar lets you fine-tune the roll stiffness to suit various driving conditions, from spirited street driving to track days. It’s the most cost-effective handling upgrade for your FR-S, 86, or BRZ, providing better tire contact and more predictable vehicle dynamics.

Key Features:

Whiteline’s 18mm Adjustable Rear Sway Bar offers a range of benefits engineered for performance and durability:

• Adjustable lever arms enable precise tuning of roll stiffness without swapping the entire bar
• Reduces body roll by increasing resistance between left and right rear wheels
• Improves cornering grip by distributing loads more evenly across tires
• Enhances tire wear by keeping tires flatter and more upright during turns
• Maintains ride comfort by minimizing excessive body movement inside the cabin
• Constructed from high-grade spring steel for strength and longevity
• Durable powder-coated finish resists corrosion and wear
• Includes high-performance polyurethane mounting bushes for improved suspension response
• DIY-friendly bolt-on installation kit with all necessary hardware included

Construction & Design:

The Whiteline 18mm Rear Sway Bar is crafted from premium spring steel, chosen for its excellent strength-to-weight ratio and fatigue resistance. The bar undergoes a precision manufacturing process to ensure consistent performance and durability under demanding driving conditions. A protective powder-coated finish guards against corrosion, extending the life of the component even in harsh environments.

High-quality polyurethane bushes replace the factory rubber mounts, offering reduced deflection and improved feedback without transmitting excessive noise or vibration. The adjustable lever arms are engineered to provide a smooth, reliable mechanism for altering sway bar stiffness, allowing drivers to tailor handling characteristics to their preferences or specific driving scenarios.

Performance & Sound

By increasing rear roll stiffness, this sway bar significantly enhances cornering stability and grip, allowing drivers to carry more speed through bends with greater confidence. The reduction in body roll also contributes to a more connected and responsive driving experience. While the sway bar does not directly affect engine sound, the improved chassis control can make spirited driving more engaging and enjoyable.

Installation & Fitment:

The Whiteline 18mm Adjustable Rear Sway Bar is designed for a straightforward bolt-on installation using factory mounting points. It fits the Scion FR-S (2013–2016), Toyota 86 (2017–2024), and Subaru BRZ (2013–2024) without requiring modifications to the vehicle’s suspension or chassis. The kit includes all necessary hardware and polyurethane bushes, making it suitable for DIY enthusiasts with basic mechanical skills. Installation typically requires standard hand tools and can be completed in a few hours.

What's Included:

• Whiteline 18mm adjustable rear sway bar
• High-performance polyurethane mounting bushes
• Adjustable lever arms
• All necessary mounting hardware
• Installation instructions

Ideal For:

This sway bar is perfect for drivers who want to improve their vehicle’s handling balance and reduce body roll without sacrificing daily drivability. It suits enthusiasts who participate in autocross, track days, or spirited street driving and desire a tunable suspension component to optimize performance for different conditions. It is also an excellent upgrade for anyone looking to enhance tire longevity and overall vehicle dynamics on their Scion FR-S, Toyota 86, or Subaru BRZ.

Whiteline is a performance suspension specialist with a reputation for components that improve balance, steering precision, and grip—sway bars, bushings, control arms, and complete handling kits built for spirited street driving, autocross, and track use. If you’re chasing a tighter, more confidence-inspiring chassis without going full racecar harshness, Whiteline is a proven bolt-on solution.