Cusco Power Brace Seat Rail Plus Set for 15-21 Subaru WRX STi & WRX

Cusco Power Brace Seat Rail Plus Set for 15–21 Subaru WRX/STi & WRX Brand: Cusco Upgrade driver and passenger seating with the Cusco Power Brace Seat Rail Plus Set , engineered for 2015–2021 Subaru WRX and WRX STi models. This right and left rail set delivers precise fitment, enhanced stability, and improved driver feel for spirited street driving and track days. Direct-fit design — Manufactured to OEM mounting points for a secure, bolt-in installation without modification. Stiffened construction — Reinforced rails minimize flex under lateral loads, keeping aftermarket or factory seats firmly positioned. Lightweight yet durable — High-quality materials balance strength and weight to preserve handling dynamics. Right & left set included — Complete pair for both driver and passenger sides; ready to install. Track-ready performance — Ideal for drivers seeking improved support and seat alignment during aggressive cornering. Whether fitting racing seats or improving factory seat stability, the Cusco Seat Rail Plus Set offers reliable performance and OEM-level fitment tailored to the 2015–2021 Subaru WRX and WRX STi. Enhance safety, comfort, and driving precision with this precision-engineered upgrade.