Cusco OS Rear Strut Bar for FD2 Civic Si Replaces OEM Bar

Cusco OS Rear Strut Bar for FD2 Civic Si — Replaces OEM Bar Upgrade rear chassis rigidity with the Cusco OS Rear Strut Bar designed specifically for the Honda Civic Si FD2. This direct-fit replacement for the OEM bar improves handling precision, reduces body flex during cornering, and restores factory fitment with performance-grade construction. Fitment: Direct replacement for FD2 Civic Si rear strut bar — bolts to existing mounting points, no modification required. Construction: High-strength steel with corrosion-resistant finish for long-lasting durability under spirited driving conditions. Benefits: Sharper turn-in, improved rear-end stability, better tire contact patch consistency, and enhanced driver confidence. Installation: Simple bolt-on swap using OEM hardware; professional installation recommended for optimal torque specifications. This Cusco OS bar keeps the stock appearance while delivering measurable performance gains on street and track. Ideal for enthusiasts seeking a reliable, OEM-replacement upgrade that elevates chassis response without sacrificing fit or finish.