PERRIN driveshaft lockdown kit for 2008–2025 Subaru WRX and 2008–2021 STI is a direct-fit safety kit intended to secure the driveshaft in the event of hardware failure. Offered as a purpose-built preventive measure for supported WRX and STI model years, the lockdown kit helps reduce the risk of driveshaft displacement and underside damage by retaining or limiting driveshaft movement when a failure occurs.
PERRIN 08-26 Subaru WRX / 08-21 STI Driveshaft Lockdown Kit