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The Superpro rear sway bar kit for the 2004 Subaru Impreza WRX STI is a 24mm, three-position adjustable heavy-duty kit that tightens rear control and limits roll. By changing end-link position you can increase sway rates roughly 30–50% over OE to tailor rotation and balance for specific driving situations. Superpro sizes and forms bars for accurate fitment and provides straightforward adjustability so owners can tune handling with basic tools.
SuperPro 2004 Subaru Impreza WRX STI Rear 24mm 3-Position Adjustable HD Sway Bar Kit
