Perrin Performance [15-21 Subaru WRX, STI] Rear Shock Tower Brace - Neon Yellow

PERRIN Rear Shock Tower Brace for 2015‑2021 WRX/STI is a chassis-enhancing suspension component engineered to stiffen the rear shock mounting area on compatible Subaru WRX and STI models. Designed with precision and durability in mind, it ties the rear shock towers together to reduce flex and support more predictable handling.

• Improves chassis rigidity and helps reduce flex under load for more consistent cornering behavior
• Transfers loads between shock towers to enhance steering precision and can help mitigate understeer tendencies
• CNC-machined aluminum mounting feet with black anodized finish for strength and corrosion resistance
• Lightweight aluminum bar maintains strength without excess mass
• Supplied with all necessary mounting hardware and installation instructions

This rear shock tower brace fits the 2015–2021 WRX and STI models and is intended for enthusiasts looking to tighten up rear suspension response and chassis behavior with a straightforward bolt-on addition.