Gr86 Headers Installation Made Easy: Step-by-step with Perrin and Agency Power

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The installation of headers on the GR86 can significantly enhance performance and sound. In this article, we will walk you through the installation process using two popular brands: Perrin and Agency Power. Whether you’re a seasoned mechanic or a DIY enthusiast, this guide aims to simplify the process.

Tools and Materials Needed

  • Socket set
  • Torque wrench
  • Ratchet
  • Extension bars
  • Flathead and Phillips screwdrivers
  • Wrenches (various sizes)
  • Header gaskets
  • New bolts (if required)
  • Anti-seize compound
  • Safety glasses and gloves

Preparation Steps

Before starting the installation, ensure that your vehicle is parked on a flat surface and the engine is cool. Gather all the tools and materials listed above. Follow these preparation steps:

  • Disconnect the battery to prevent any electrical issues.
  • Lift the car using a jack and secure it with jack stands.
  • Remove any underbody covers if necessary.

Removing the Stock Headers

To install the new headers, you must first remove the stock headers. Follow these steps:

  • Locate the stock headers under the vehicle.
  • Remove the exhaust bolts using the socket set.
  • Disconnect any sensors attached to the headers.
  • Carefully remove the stock headers from the engine.

Installing Perrin Headers

Now that the stock headers are removed, it’s time to install the Perrin headers. Follow these steps:

  • Place the Perrin headers into position.
  • Align the headers with the exhaust ports.
  • Apply anti-seize compound to the new bolts.
  • Secure the headers using the new bolts and torque them to the manufacturer’s specifications.
  • Reconnect any sensors that were previously disconnected.

Installing Agency Power Headers

If you choose to install Agency Power headers, the process is similar. Here’s how:

  • Position the Agency Power headers in place.
  • Ensure proper alignment with the exhaust ports.
  • Use anti-seize on the bolts before installation.
  • Tighten the bolts to the recommended torque settings.
  • Reconnect any sensors that were removed during disassembly.

Final Steps

After installing the headers, you need to complete a few final steps:

  • Reinstall any underbody covers that were removed.
  • Reconnect the battery.
  • Start the engine and check for any leaks.
  • Allow the engine to reach operating temperature and listen for any unusual sounds.
  • Take the vehicle for a test drive to ensure everything is functioning correctly.

Conclusion

Installing headers on your GR86 can greatly improve performance and sound. By following the steps outlined in this guide, you can successfully install either Perrin or Agency Power headers. Always remember to consult your vehicle’s manual for specific torque settings and procedures. Enjoy your enhanced driving experience!