Perrin [15-26 WRX, 15-21 STI, 08-25 Impreza, 13-26 Crosstrek, 05-26 Outback, 05-25 Legacy, 98-25 Forester, 19-26 Ascent] Differential Lockdown System

PERRIN Differential Lockdown minimizes rear differential movement on compatible Subaru applications to improve throttle response and create a firmer, more connected drivetrain feel.

• Reduces excessive rear differential movement under acceleration
• Precision machined aluminum lockdown plates provide durable support
• Direct bolt-on installation using basic hand tools
• Typical installation time is about 45 minutes
• Improves drivetrain feedback with minimal added noise, vibration, and harshness
• Includes two aluminum plates, warranty documentation, and installation instructions