Cusco OS-T Rear Strut Bar for Subaru WRX STI 660 544 A

Cusco OS-T Rear Strut Bar for Subaru WRX STI 660 544 A Brand: Cusco — engineered performance and chassis precision for Subaru enthusiasts. The Cusco OS-T Rear Strut Bar (part number 660 544 A) is a high-quality add-on V-brace designed specifically for Subaru Impreza WRX/STI models (GC8, GDA, GDB). Built to stiffen rear suspension towers, this brace improves handling response, cornering stability and chassis feedback during spirited driving or track use. Application: Subaru Impreza WRX/STI (GC8, GDA, GDB) Function: Add-on V-brace to reinforce rear strut towers and reduce flex Fitment note: Cannot be used alone — requires compatible Cusco component 666 541 A Construction: Durable steel with precision welds and professional finish for long-term reliability Benefits: Sharper turn-in, improved high-speed stability, better suspension consistency under load This Cusco OS-T Rear Strut Bar is ideal for tuners seeking a targeted chassis upgrade that complements existing Cusco components. Ensure compatibility with your vehicle and required part 666 541 A before purchase.