Perrin Performance Rear Sway Bar
2008–2021 Subaru WRX / STI, 2013–2025 Subaru BRZ, 2013–2016 Scion FR-S, 2017–2021 Toyota GT86, 2022–2026 Toyota GR86
PSP-SUS-246
Overview:
Enhance your vehicle's handling precision and cornering stability with the Perrin Performance Rear Sway Bar. Designed as a direct upgrade for select Subaru WRX, STI, BRZ, Scion FR-S, Toyota GT86, and Toyota GR86 models, this sway bar significantly reduces body roll and improves overall vehicle balance. Whether you are a daily driver seeking better road feel or a performance enthusiast aiming for sharper handling on the track, this adjustable rear sway bar offers a straightforward and effective solution.
By increasing roll resistance at the rear axle, the Perrin sway bar helps to increase oversteer characteristics, allowing you to fine-tune your vehicle’s handling dynamics. When paired with an upgraded front sway bar, you can achieve a balanced and responsive setup tailored to your driving style.
Key Features:
The Perrin Rear Sway Bar is engineered for durability, adjustability, and performance. Key features include:
- Adjustable stiffness with three end link mounting holes, allowing you to select from multiple settings to customize handling response.
- Glossy red powder-coated finish for long-lasting corrosion resistance and an aggressive appearance.
- Significant stiffness increase over OEM rear sway bars, varying by vehicle model and year:
- 2008 WRX: 105% to 240% stiffer than 15mm OEM bar depending on adjustment.
- 2009–2014 WRX/STI: 58% to 160% stiffer than 16mm OEM bar.
- 2013–2016 BRZ/FR-S: 150% to 347% stiffer than 14mm OEM bar.
- 2017–2021 BRZ/GT86: 105% to 240% stiffer than 15mm OEM bar.
- 2022–2025 BRZ/GR86: 150% to 347% stiffer than 14mm OEM bar.
- Precision-engineered to fit factory mounting points for a bolt-on installation.
- Designed to complement both street and track driving by reducing body roll and enhancing cornering confidence.
Construction & Design:
The Perrin Rear Sway Bar is constructed from high-quality steel and finished with a durable powder coat to resist corrosion and wear. Its robust design ensures consistent performance under demanding conditions. The adjustable end link mounting holes provide flexibility in tuning the bar’s stiffness, enabling you to dial in the ideal balance between comfort and performance. The bright red finish not only protects the bar but also adds a striking visual upgrade to your suspension components.
Installation & Fitment:
This sway bar is designed for a direct bolt-on installation using existing factory mounting points, requiring no cutting, drilling, or special tuning. Installation instructions are available for all compatible models, including Subaru WRX/STI and BRZ/FR-S/GR86 platforms. The adjustable mounting holes allow you to easily modify the sway bar stiffness to suit your driving preferences after installation.
- Fits 2008–2021 Subaru WRX and STI models
- Fits 2013–2025 Subaru BRZ models
- Fits 2013–2016 Scion FR-S
- Fits 2017–2021 Toyota GT86
- Fits 2022–2026 Toyota GR86
What's Included:
- Perrin Rear Sway Bar with adjustable end link mounting holes
- All necessary mounting hardware
- Installation instructions specific to your vehicle model
Ideal For:
This rear sway bar is ideal for drivers who want to improve handling precision and reduce body roll without compromising daily drivability. It suits enthusiasts who participate in spirited street driving, autocross, or track days and desire a customizable suspension setup that can be tuned to their preferred handling balance.
