Perrin Performance Rear Shock Tower Brace for 15-21 Subaru WRX/STI Carbon Fiber

Perrin Performance Rear Shock Tower Brace — 2015–2021 Subaru WRX/STI (Carbon Fiber) Upgrade chassis rigidity and handling precision with the Perrin Performance Rear Shock Tower Brace. Engineered for 2015–2021 Subaru WRX and WRX STI models, this carbon fiber brace reduces flex in the rear shock towers to deliver sharper cornering, more predictable suspension response, and improved stability under load. Fitment: Direct bolt-on for 2015–2021 Subaru WRX and WRX STI Material: High-grade carbon fiber construction for strength and lightweight performance Performance benefits: Increased chassis stiffness, reduced rear-end flex, improved tire contact and feedback Durability: UV-resistant clearcoat and precision layup for long-lasting finish and structural integrity Installation: Simple OEM-style bolt-in with common hand tools; no welding or drilling required This Perrin rear shock tower brace is ideal for street drivers and track enthusiasts who demand better handling without sacrificing daily comfort. The sleek carbon fiber look also adds a refined, race-inspired aesthetic under the hood. Why choose Perrin? Perrin Performance parts are designed and tested to meet rigorous quality standards, providing reliable aftermarket upgrades that enhance both performance and appearance.