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The PERRIN 18mm rear sway bar is a direct-fit option for 2008–2021 Subaru WRX/WRX STI and 2013–2026 BRZ, FR-S, 86, and GR86 models. Offering increased rear roll stiffness, this 18mm bar helps control body roll and improves chassis balance during cornering. Install it on the compatible model years to retain correct mounting and suspension geometry.
PERRIN 08-21 WRX/STI & 13-26 BRZ/FR-S/86/GR86 Rear Sway Bar - 18mm
