
The Cusco rear bulk arm power brace for Honda Civic Si (FD2) is a rear underbody reinforcement that may require trimming of carpet or interior panels for installation. It strengthens rear mounting points to reduce deflection and keep suspension geometry consistent under load. Specified for FD2 Civic Si applications, this brace targets buyers willing to accommodate the noted interior trimming during fitment.
Cusco Power Brace Rear Bulk Arm FD2 Civic Si *carpet/panels Need trimmed*