Installing the Mishimoto Wrx Intercooler: a Complete Step-by-step Guide

The Mishimoto WRX intercooler is a popular upgrade for Subaru WRX owners looking to enhance their vehicle’s performance. This guide provides a comprehensive step-by-step process for installing the Mishimoto intercooler, ensuring you can achieve optimal results.

Tools and Materials Needed

  • Mishimoto WRX intercooler kit
  • Socket set (including 10mm, 12mm, and 14mm sockets)
  • Ratchet and extensions
  • Torque wrench
  • Screwdrivers (flathead and Phillips)
  • Pliers
  • Hose clamps
  • Intercooler piping (if not included)
  • Heat-resistant gloves
  • Safety glasses

Preparation Steps

Before starting the installation, ensure that you have all the necessary tools and materials. It’s also important to work in a well-ventilated area and allow your vehicle to cool down if it has been running.

Step 1: Disconnect the Battery

Begin by disconnecting the negative terminal of the battery to prevent any electrical issues during the installation process.

Step 2: Remove the Front Bumper

To access the intercooler, you’ll need to remove the front bumper. This typically involves:

  • Unscrewing the screws and clips that hold the bumper in place.
  • Carefully pulling the bumper away from the body of the car.

Step 3: Remove the Stock Intercooler

Once the bumper is off, locate the stock intercooler. Disconnect the piping and any associated hoses. Remove the bolts securing the intercooler to the vehicle and carefully take it out.

Installing the Mishimoto Intercooler

Step 4: Prepare the New Intercooler

Take the Mishimoto intercooler out of the box and inspect it for any damage. Ensure all necessary parts are included, such as the intercooler itself, piping, and clamps.

Step 5: Install the Intercooler

Position the new intercooler in place. Secure it using the provided bolts, ensuring it is properly aligned. Tighten the bolts to the manufacturer’s specifications using a torque wrench.

Step 6: Connect the Piping

Attach the intercooler piping to the new intercooler. Make sure to use the hose clamps to secure the connections tightly. Double-check that there are no leaks in the system.

Final Steps

Step 7: Reinstall the Front Bumper

Once everything is connected, carefully reattach the front bumper. Ensure all screws and clips are secured properly to prevent any rattling while driving.

Step 8: Reconnect the Battery

Reconnect the negative terminal of the battery. Ensure that it is secure and that there are no exposed wires.

Step 9: Test the Installation

Start your vehicle and let it idle for a few minutes. Check for any unusual sounds or leaks around the new intercooler and piping. Take the car for a test drive to ensure everything is functioning properly.

Conclusion

Installing the Mishimoto WRX intercooler can significantly improve your vehicle’s performance. By following this step-by-step guide, you can ensure a successful installation. Always remember to consult your vehicle’s manual and the Mishimoto instructions for any specific details related to your model.