Subaru STI Sway Bar - Rear - Perrin Performance - 16mm Adjustable - '08-'21 is a direct-fit rear sway bar designed for 2008–2021 WRX/STI models. It gives drivers an adjustable way to control rear roll stiffness and refine vehicle balance for spirited driving.

This Perrin 16mm adjustable rear sway bar is built for everyday use and track days alike, offering a simple, bolt-on method to tighten rear-end response. The multi-position adjustment lets you dial in roll resistance to suit tires, cornering style, and front/rear balance. Constructed for durability and corrosion resistance, it installs at the factory mounting points and works with stock or upgraded front bars and common suspension setups.

Features

• 16mm diameter solid bar for predictable roll control
• Multiple adjustable positions for tuning rear stiffness
• Durable finish to resist corrosion and roadway wear
• Direct-fit for 2008–2021 Subaru WRX/STI — bolt-on installation

If you have questions or want help choosing the right setup, call us directly — we’re happy to advise. We offer installation and customization services at both our Austin, Texas and Los Angeles, California area locations. 512-982-9393 (TX) and 562-981-6800 (CA)

If you’re considering purchasing multiple items, contact us for shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov