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Cusco Power Brace seat rail plus set for 2015–2021 Subaru WRX and WRX STI. This pair of chassis braces mounts to the seat rails to stiffen the cabin structure and improve pedal feel and driver feedback. Designed as a direct-fit Cusco brace set, it reinforces factory mounting points without altering the vehicle's interior layout.
Cusco Power Brace, Seat Rail Plus Set (Right & Left) 15-21Subaru WRX STi & WRX
