IE sway bars are crafted with a 25mm outer dimension to ensure precise handling while maintaining a comfortable ride during your daily commute. The one-piece spring steel construction features a 5mm wall thickness to guarantee exceptional strength to withstand intense track use. Through extensive engineering, testing, and verification practices, we have achieved a smooth and comfortable ride, free from excessive vibrations or harshness. Your sway bar upgrade will deliver uncompromising control in the twisties while balancing daily comfort.