Perrin Differential Lockdown System - 2015-2021 WRX, 2022+ WRX, 2015-2021 STI + MORE

Take control of your Subaru’s drivetrain performance with the PERRIN Rear Differential Lockdown Bushings. Designed to reduce excessive rear differential movement under hard acceleration and cornering, these high-quality polyurethane bushings provide a more connected and responsive driving experience.

Features:

• Enhanced Traction & Stability: By minimizing drivetrain slop and unwanted differential movement, these bushings improve traction delivery to the wheels — perfect for aggressive driving and performance tuning.
• Durable Construction: Crafted from premium-grade polyurethane, these bushings offers superior wear resistance and longevity over stock rubber bushings.
• Reduced Noise, Vibration & Harshness (NVH): Engineered to strike the ideal balance between performance and comfort, providing firm support without introducing excessive cabin noise.
• Easy Installation: Designed for a precise OE fit on a range of Subaru models, with no major modifications required. Includes all necessary hardware for a straightforward install.

Included:

• (2) PERRIN Aluminum Lockdown Plates
• Warranty & Instructions

Installation Instructions