Whiteline Heavy Duty Rear Sway Bar

Part #: BSR49

Overview

The Whiteline 20mm Heavy Duty Rear Sway Bar is a high-performance suspension component designed to enhance the handling and stability of your Subaru WRX STi from 2008 to 2021. Crafted for enthusiasts seeking improved cornering response and reduced body roll, this sway bar is an essential upgrade for both street and track driving. Its robust construction and precise design help optimize your vehicle’s suspension dynamics, providing a more connected and confident driving experience. Whether you're a daily driver or a competitive racer, this sway bar supports your vehicle’s performance by delivering increased responsiveness and improved chassis control.

Key Features

This heavy-duty sway bar is engineered with durability and performance in mind. Made from high-strength steel, it offers enhanced resistance to flex and deformation under aggressive driving conditions. The bar’s 20mm diameter strikes a balance between stiffness and ride comfort, providing noticeable handling improvements without sacrificing ride quality. Its design includes precision bushings and mounting hardware to ensure secure installation and consistent performance. The sway bar’s construction supports a more neutral handling balance, helping to reduce understeer and oversteer tendencies for a more predictable and engaging drive. Its corrosion-resistant coating ensures longevity and reliable performance in various weather conditions.

Construction & Design

The sway bar features a solid steel construction with a powder-coated finish for corrosion resistance. Its precise bending and machining ensure a perfect fit and optimal performance. The heavy-duty bushings and mounting brackets are designed for durability and ease of installation, providing a secure connection to your vehicle’s chassis.

Driving Feel & Feedback

Upgrading to this heavy-duty sway bar significantly improves your vehicle’s handling response and stability during cornering. It reduces body roll, allowing for sharper turn-in and more confident steering feedback. The increased stiffness offers a more direct and engaged driving feel, making your Subaru WRX STi more agile and responsive on twisty roads or the track.

Installation & Fitment

Installation involves replacing the factory sway bar with the Whiteline 20mm Heavy Duty Rear Sway Bar, typically requiring basic hand tools. It is designed as a direct bolt-on upgrade, with all necessary hardware included. Fitment should be verified against your vehicle’s specifications to ensure compatibility.

What’s Included

The package includes the heavy-duty sway bar, bushings, brackets, and all necessary mounting hardware for a complete installation.