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Cusco's 18mm rear sway bar for the EK4 Civic stiffens the rear anti-roll behavior to reduce body roll and improve cornering balance. As a direct chassis upgrade, it helps maintain better tire contact during lateral loads and can complement other suspension tuning for a more predictable handling feel. The bar targets drivers seeking improved mid-corner stability.
Cusco Sway 18mm Rear EK4 CIVIC
