Upgrade your 2015 - 2021 Subaru WRX or STI with the Perrin Differential Lock - Down System. This high - performance kit is engineered to eliminate all rear differential movement under any driving situation, whether you're on the street or the track. Say goodbye to the spongy feeling during initial acceleration. The CNC - machined aluminum plates, finished in anodized black, offer durability and a sleek look. Installation is a breeze, taking only about 30 minutes, and comes with clear instructions. Inside the box, you'll find two PERRIN aluminum lock - down plates, a warranty, and all the guidance you need. With this system, you'll add drivetrain rigidity and precision throttle response, reducing squat and eliminating power transmission delays between the engine and wheels, especially in extreme racing conditions.
Using the Perrin Differential Lock - Down System is easy. First, make sure your Subaru WRX or STI (2015 - 2021) is parked on a flat and stable surface. You can refer to the included installation instructions for a step - by - step guide. It should take around 30 minutes to install. During installation, handle the aluminum lock - down plates carefully to avoid scratches. After installation, take your car for a short test drive to ensure everything is working properly. As for maintenance, keep the plates clean. You can use a mild soap and water solution to wipe them down occasionally. Check the plates and connections regularly for any signs of wear or looseness. If you notice any issues, contact the manufacturer as soon as possible to ensure your car's performance and safety.
