How to Install 370z Headers: Step-by-step Guide for Nismo and Base Models

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Installing headers on your Nissan 370Z can significantly improve its performance and sound. This guide will walk you through the installation process for both Nismo and Base models, ensuring you have the necessary steps to complete the job successfully.

What You Will Need

  • New headers
  • Socket set
  • Torque wrench
  • Jack and jack stands
  • Gasket scraper
  • New gaskets
  • Safety glasses
  • Gloves

Before starting, make sure you have all the necessary tools and parts. This will make the installation process smoother and more efficient.

Preparation Steps

Begin by preparing your workspace and the vehicle. Follow these steps to ensure you are ready to start the installation:

  • Park the 370Z on a flat surface.
  • Disconnect the battery to prevent any electrical issues.
  • Raise the front of the vehicle using a jack and secure it with jack stands.
  • Remove any underbody panels that may obstruct access to the exhaust system.

Removing the Old Headers

With the vehicle prepared, it’s time to remove the old headers. Follow these steps carefully:

  • Locate the bolts securing the headers to the engine and exhaust system.
  • Using a socket set, remove the bolts and carefully detach the headers from the engine.
  • Remove the old gaskets and clean the mating surfaces with a gasket scraper.
  • Inspect the old headers for any signs of damage or wear.

Installing the New Headers

Now that the old headers are removed, you can install the new ones. Follow these instructions:

  • Place the new gaskets onto the engine’s mating surface.
  • Align the new headers with the gaskets and engine ports.
  • Insert the bolts and hand-tighten them to hold the headers in place.
  • Using a torque wrench, tighten the bolts to the manufacturer’s specifications, ensuring even pressure across all bolts.

Reconnecting the Exhaust System

Once the new headers are securely in place, you need to reconnect the exhaust system:

  • Reattach the exhaust pipes to the new headers.
  • Ensure all connections are tight and secure.
  • Replace any exhaust clamps or hangers that were removed.

Final Steps

With the headers and exhaust system reconnected, there are a few final steps to complete the installation:

  • Reconnect the battery.
  • Start the engine and check for any leaks or unusual noises.
  • Let the engine run for a few minutes and check the temperature.
  • Lower the vehicle back to the ground.

Conclusion

Installing headers on your Nissan 370Z can enhance performance and make your driving experience more enjoyable. By following this step-by-step guide, you can successfully install headers on both Nismo and Base models, ensuring your vehicle runs at its best.