Cusco OS-T Rear Strut Bar for Subaru WRX STI 2-Piece Aluminum

Cusco OS-T Rear Strut Bar for Subaru WRX STI (2-Piece Aluminum) Brand: Cusco — Model: OS-T Rear Strut Bar (2-Piece, Aluminum) designed for Subaru WRX STI. Engineered to improve chassis rigidity and handling without adding excessive weight. The Cusco OS-T Rear Strut Bar connects the rear shock towers with a precision-formed, two-piece aluminum design. It reduces flex under cornering and enhances rear-end stability for sharper steering response, improved traction, and more predictable behavior at speed. Fitment: Direct bolt-on for Subaru WRX STI (select models — verify year and subframe). Construction: Lightweight, high-strength aluminum two-piece bar with corrosion-resistant finish. Benefits: Reduced chassis flex, improved handling balance, better tire contact patch under load, enhanced feel for spirited driving and track use. Installation: Simple bolt-on using existing mounting points; retains factory alignment and serviceability. Perfect for enthusiasts seeking a reliable, race-proven upgrade to sharpen rear responsiveness while keeping weight low. Backed by Cusco engineering and quality control for consistent performance.