Installing the Perrin 3-inch Intercooler on Your Wrx: a Complete Guide

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Installing the Perrin 3-inch intercooler on your WRX can significantly improve performance and efficiency. This guide will walk you through the entire process, ensuring you have a smooth installation experience.

Tools and Materials Needed

  • Perrin 3-inch intercooler kit
  • Socket set
  • Wrench set
  • Torque wrench
  • Flathead screwdriver
  • Phillips screwdriver
  • Silicone hose clamps
  • Coolant (if necessary)
  • Shop towels

Preparation Steps

Before starting the installation, it’s essential to prepare your workspace and vehicle. Follow these steps:

  • Ensure the car is parked on a flat surface.
  • Disconnect the negative battery terminal to prevent any electrical issues.
  • Gather all tools and materials in one place for easy access.
  • Allow the engine to cool down if it has been running recently.

Removing the Stock Intercooler

The first step in the installation process is to remove the stock intercooler. Follow these steps carefully:

  • Remove the front bumper by unscrewing the clips and bolts securing it.
  • Disconnect the intake duct from the stock intercooler.
  • Loosen the clamps on both the inlet and outlet hoses of the intercooler.
  • Carefully pull the intercooler out of its mounting position.
  • Remove any remaining hardware and set the stock intercooler aside.

Installing the Perrin Intercooler

Now that the stock intercooler is removed, you can proceed with installing the Perrin intercooler. Follow these steps:

  • Position the Perrin intercooler in place, ensuring it fits snugly in the mounting brackets.
  • Reconnect the inlet and outlet hoses, ensuring they are secure with the provided silicone hose clamps.
  • Attach the intake duct to the new intercooler.
  • Double-check all connections and ensure there are no leaks.

Reinstalling the Front Bumper

After successfully installing the intercooler, it’s time to reinstall the front bumper. Follow these steps:

  • Align the bumper with the mounting points on the vehicle.
  • Secure the bumper with the clips and bolts you removed earlier.
  • Ensure that the bumper is flush with the body of the car.

Final Checks and Testing

Once everything is reassembled, it’s crucial to perform some final checks and tests:

  • Reconnect the negative battery terminal.
  • Start the engine and let it idle for a few minutes.
  • Check for any leaks or unusual noises around the intercooler area.
  • Take the car for a short test drive to ensure everything is functioning correctly.

Conclusion

Installing the Perrin 3-inch intercooler on your WRX can enhance your vehicle’s performance significantly. By following the steps outlined in this guide, you can successfully complete the installation and enjoy the benefits of improved air flow and efficiency.