Table of Contents
Installing AEM WRX headers can significantly enhance your vehicle’s performance. This guide provides a step-by-step approach to ensure you achieve maximum gains from your installation.
Tools and Materials Needed
- AEM WRX headers
- Socket set
- Torque wrench
- Gasket scraper
- New gaskets
- High-temperature thread sealant
- Jack and jack stands
- Safety glasses and gloves
- Shop towels
Preparation Steps
Before starting the installation, ensure your vehicle is parked on a flat surface and the engine is cool. Gather all tools and materials listed above.
1. Raise the Vehicle
Using a jack, lift the front of your WRX and secure it on jack stands. This will provide better access to the exhaust system.
2. Disconnect the Battery
For safety, disconnect the negative terminal of the battery to prevent any electrical issues during the installation.
Removing the Stock Headers
3. Remove Exhaust Components
Start by removing any components obstructing access to the stock headers, such as the exhaust manifold heat shields and the exhaust pipes.
4. Unbolt the Stock Headers
Using a socket set, carefully unbolt the stock headers from the engine block. Keep track of the bolts for reinstallation.
5. Remove Old Gaskets
Use a gasket scraper to remove any remnants of the old gaskets from the engine block and headers.
Installing AEM WRX Headers
6. Prepare New Gaskets
Place the new gaskets onto the engine block, ensuring they align with the bolt holes properly.
7. Install AEM WRX Headers
Position the AEM WRX headers onto the engine block over the new gaskets. Hand-tighten the bolts to hold them in place.
8. Torque the Bolts
Using a torque wrench, tighten the header bolts to the manufacturer’s specified torque settings. This ensures a proper seal and prevents leaks.
Reassembly
9. Reinstall Exhaust Components
Reattach any exhaust components that were removed earlier, ensuring all connections are secure.
10. Reconnect the Battery
Reconnect the negative terminal of the battery to restore power to your vehicle.
Final Checks and Testing
Before taking your WRX for a drive, double-check all connections and bolts to ensure everything is secure.
11. Start the Engine
Start your engine and let it idle for a few minutes. Listen for any unusual sounds that may indicate a leak or improper installation.
12. Take a Test Drive
After confirming there are no issues, take your WRX for a test drive. Monitor the performance and exhaust sound, enjoying the gains from your new headers!
Conclusion
Installing AEM WRX headers can provide significant performance improvements. By following this step-by-step guide, you can ensure a successful installation and enjoy the benefits of enhanced power and efficiency.