Perrin Wrx Headers Installation: Step-by-step Guide for Beginners

by

Installing headers on your Perrin WRX can significantly improve performance and sound. This guide provides a detailed, step-by-step approach for beginners to successfully install headers.

Tools and Materials Needed

  • Socket set
  • Torque wrench
  • Ratchet
  • Extension bars
  • Header gaskets
  • New bolts (if necessary)
  • Jack and jack stands
  • Safety goggles
  • Gloves

Before starting, ensure you have all the necessary tools and materials. Safety should be your priority, so wear safety goggles and gloves throughout the process.

Preparation Steps

Follow these preparation steps to set up your workspace and vehicle:

  • Park your WRX on a flat surface.
  • Engage the parking brake and turn off the ignition.
  • Lift the front of the car using a jack and secure it with jack stands.
  • Disconnect the negative battery terminal to prevent any electrical issues.

Removing the Old Headers

To install the new headers, you must first remove the old ones. Here’s how:

  • Remove any components obstructing access to the headers, such as the intake manifold or exhaust components.
  • Unbolt the existing headers from the engine block using the socket set.
  • Carefully detach the headers from the exhaust system.
  • Remove the old gaskets and clean the mating surfaces on the engine.

Installing the New Perrin Headers

Now, you can proceed with installing the new Perrin headers:

  • Position the new headers in place on the engine block.
  • Install the new gaskets to ensure a proper seal.
  • Secure the headers using new or existing bolts, tightening them in a crisscross pattern.
  • Use a torque wrench to tighten the bolts to the manufacturer’s specifications.

Reassembling the Components

After the headers are installed, reassemble any components you removed earlier:

  • Reattach the intake manifold and any other components that were removed.
  • Ensure all connections are secure and properly aligned.
  • Reconnect the negative battery terminal.

Testing the Installation

Once everything is reassembled, it’s time to test the installation:

  • Start the engine and listen for any unusual noises.
  • Check for exhaust leaks around the headers.
  • Monitor the engine performance during a test drive.

Conclusion

Installing Perrin WRX headers can enhance your vehicle’s performance and sound. By following this step-by-step guide, even beginners can successfully complete the installation. Always remember to prioritize safety and consult a professional if you encounter any issues.