Installing Hks Headers on Your Gr86: Step-by-step Performance Boost Guide

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Installing HKS headers on your GR86 can significantly enhance performance and provide a more exhilarating driving experience. This guide will take you through the step-by-step process to ensure a successful installation.

What You Will Need

  • HKS headers specific to GR86
  • Socket set
  • Torque wrench
  • Jack and jack stands
  • Safety glasses
  • Gloves
  • Exhaust gasket
  • Penetrating oil

Preparation Steps

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

  • Park the GR86 on a flat surface.
  • Allow the engine to cool completely.
  • Disconnect the battery to prevent any electrical issues.
  • Raise the vehicle using a jack and secure it with jack stands.

Removing the Stock Headers

To install the HKS headers, you must first remove the stock headers. Here’s how:

  • Locate the stock headers under the engine bay.
  • Spray penetrating oil on the bolts to loosen them.
  • Using a socket set, carefully remove the bolts connecting the headers to the exhaust system.
  • Disconnect any sensors or connectors attached to the stock headers.
  • Remove the headers from the vehicle.

Installing HKS Headers

Now that the stock headers are removed, you can proceed with the installation of the HKS headers:

  • Place the new HKS headers in position.
  • Align the headers with the exhaust ports on the engine.
  • Install the new exhaust gasket to ensure a proper seal.
  • Secure the headers using the provided bolts, but do not fully tighten yet.
  • Reconnect any sensors or connectors that were previously disconnected.

Tightening the Headers

Once the headers are in place, it’s crucial to tighten them correctly:

  • Using a torque wrench, tighten the bolts to the manufacturer’s specifications.
  • Follow a crisscross pattern to ensure even pressure.
  • Double-check all connections and bolts for security.

Reconnecting the Exhaust System

After securing the headers, you need to reconnect the exhaust system:

  • Align the exhaust system with the new headers.
  • Secure the exhaust with the appropriate bolts and gaskets.
  • Ensure that all connections are tight and leak-free.

Final Steps

With the headers and exhaust system in place, follow these final steps:

  • Reconnect the battery.
  • Start the engine and listen for any unusual sounds.
  • Check for exhaust leaks around the headers and connections.
  • Take the vehicle for a test drive to experience the performance boost.

Conclusion

Installing HKS headers on your GR86 is a rewarding project that can enhance your vehicle’s performance. By following this step-by-step guide, you can ensure a successful installation and enjoy the benefits of improved power and sound.