The Best Supporting Mods for Ej255 Performance: Upgraded Fuel Pumps, Injectors, and Boost Controllers

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The Subaru EJ255 engine is known for its robust performance and tuning potential. To maximize the power output and efficiency of this engine, several supporting modifications can be made. This article explores the best supporting mods for EJ255 performance, focusing on upgraded fuel pumps, injectors, and boost controllers.

Upgraded Fuel Pumps

Upgrading the fuel pump is one of the most critical modifications for enhancing the performance of the EJ255 engine. A higher flow rate ensures that the engine receives adequate fuel, especially when tuning for increased power levels.

  • Walbro 255 lph Fuel Pump: A popular choice among Subaru enthusiasts, the Walbro 255 lph fuel pump offers a significant increase in fuel flow, making it suitable for higher horsepower applications.
  • DeatschWerks DW200: Known for its reliability, the DW200 fuel pump provides consistent performance and is ideal for those looking for a direct drop-in upgrade.
  • Radium Engineering Fuel Pump: This pump is designed for high-performance applications and features a dual pump setup for increased reliability and flow.

Upgraded Fuel Injectors

Fuel injectors play a vital role in delivering the right amount of fuel to the engine. Upgrading to larger injectors ensures that the engine can handle increased fuel demands, especially when boosting power levels.

  • Injector Dynamics ID1050X: These injectors are highly regarded for their precision and flow capabilities, providing excellent performance for tuned EJ255 engines.
  • DeatschWerks 650cc Injectors: A great option for those looking to increase fuel flow without sacrificing drivability, these injectors are a common choice for moderate power upgrades.
  • Siemens Deka 80lb Injectors: These high-flow injectors are perfect for high horsepower builds, ensuring that the engine receives enough fuel for optimal performance.

Boost Controllers

Boost controllers allow for better management of turbocharger boost levels, which can significantly impact engine performance. Upgrading to a quality boost controller can help achieve the desired power output while maintaining engine reliability.

  • GrimmSpeed Electronic Boost Controller: This controller allows for precise adjustments to boost levels and features a user-friendly interface for easy tuning.
  • TurboSmart Manual Boost Controller: A simple yet effective option, this manual boost controller provides reliable performance and is easy to install.
  • AEM Tru-Boost Controller: This electronic boost controller offers advanced features, including a boost gauge and multiple boost settings for maximum tuning flexibility.

Conclusion

In conclusion, upgrading the fuel pump, injectors, and boost controller are essential steps for maximizing the performance of the EJ255 engine. These modifications not only enhance power output but also improve engine efficiency and reliability. For anyone looking to get the most out of their Subaru, investing in these supporting mods is highly recommended.