Table of Contents
The Subaru WRX is known for its impressive performance and tuning potential. Among the various upgrades available, turbocharger upgrades are among the most impactful. In this guide, we will explore the Stage 3 WRX turbo upgrade, focusing on the BorgWarner EFR 7163 turbocharger, which can help achieve an impressive 380+ horsepower.
Understanding Turbocharger Upgrades
Turbocharger upgrades are essential for enhancing the performance of your WRX. By replacing the factory turbo with a more efficient model, you can significantly increase horsepower and torque. The BorgWarner EFR 7163 is a popular choice among enthusiasts for its ability to deliver high power while maintaining reliability.
Why Choose the BorgWarner EFR 7163?
The BorgWarner EFR 7163 turbocharger offers several advantages that make it ideal for a Stage 3 upgrade:
- Power Potential: Capable of producing 380+ horsepower.
- Efficiency: Advanced aerodynamics lead to better spool times and reduced turbo lag.
- Durability: Built with high-quality materials for long-lasting performance.
- Integrated Wastegate: Simplifies installation and improves boost control.
Installation Considerations
Installing the BorgWarner EFR 7163 requires careful planning and consideration. Here are some key factors to keep in mind:
- Supporting Mods: Ensure you have supporting modifications like an upgraded fuel system, intercooler, and exhaust system.
- Tuning: A proper tune is essential to maximize performance and maintain engine health.
- Tools Required: Basic hand tools, a torque wrench, and possibly specialized tools for turbo installation.
Supporting Modifications for Stage 3 Upgrade
To fully benefit from the BorgWarner EFR 7163, consider the following supporting modifications:
- Fuel Injectors: Upgrade to larger injectors to support increased fuel demands.
- Fuel Pump: A high-flow fuel pump is necessary to maintain adequate fuel pressure.
- Intercooler: An upgraded intercooler helps reduce intake temperatures and improve performance.
- Exhaust System: A free-flowing exhaust system enhances turbo efficiency and reduces back pressure.
Choosing the Right Tune
After installing the BorgWarner EFR 7163, a proper tune is crucial. Here are some tips for selecting the right tuning option:
- Professional Tuner: Consult with a professional tuner who has experience with WRX and EFR turbos.
- ECU Options: Consider using an aftermarket ECU or tuning software that supports advanced tuning features.
- Data Logging: Utilize data logging to monitor performance and make necessary adjustments.
Potential Issues and Troubleshooting
While upgrading to the BorgWarner EFR 7163 can yield fantastic results, it’s important to be aware of potential issues:
- Boost Leaks: Check for any boost leaks in the intake system after installation.
- Fuel Delivery: Ensure your fuel system is capable of delivering the necessary fuel for the new power levels.
- Heat Management: Monitor engine temperatures and consider adding an oil cooler if necessary.
Conclusion
The BorgWarner EFR 7163 turbocharger is an excellent choice for those looking to achieve 380+ horsepower in their Subaru WRX. With the right supporting modifications and a professional tune, you can unlock the full potential of your vehicle. Always be mindful of installation considerations and potential issues to ensure a successful upgrade.