Walbro 255l Fuel Pump Review: Gains, Costs, and Real-world Performance in Subaru Wrx

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The Walbro 255L fuel pump is a popular upgrade for Subaru WRX enthusiasts looking to enhance their vehicle’s performance. In this article, we will explore the gains, costs, and real-world performance of the Walbro 255L fuel pump specifically for the Subaru WRX.

Introduction to the Walbro 255L Fuel Pump

The Walbro 255L fuel pump is known for its ability to provide increased fuel flow, making it a favored choice among those who modify their Subaru WRX for better performance. This pump is capable of supporting higher horsepower applications, which is essential for those looking to push their vehicles to the limits.

Performance Gains

One of the primary reasons enthusiasts choose the Walbro 255L fuel pump is the significant performance gains it can deliver. Here are some of the key benefits:

  • Increased Fuel Flow: The Walbro 255L can provide a fuel flow rate of up to 255 liters per hour, which is essential for modified engines.
  • Better Fuel Pressure: This pump maintains consistent fuel pressure, which is crucial for optimal engine performance.
  • Supports High Horsepower Builds: Ideal for Subaru WRX models that have been tuned or upgraded for higher horsepower outputs.
  • Improved Throttle Response: Users often report a noticeable improvement in throttle response after installation.

Cost Considerations

The cost of the Walbro 255L fuel pump can vary based on several factors, including where you purchase it and whether you opt for additional installation components. Here’s a breakdown of typical costs:

  • Fuel Pump Price: The Walbro 255L typically ranges from $100 to $150.
  • Installation Costs: If you choose to have it professionally installed, expect to pay an additional $100 to $200.
  • Additional Parts: Depending on your vehicle’s setup, you may need to purchase additional components such as a fuel pump wiring harness or fuel filter.

Installation Process

Installing the Walbro 255L fuel pump in your Subaru WRX can be a straightforward process for those with mechanical experience. Here’s a brief overview of the steps involved:

  • Preparation: Ensure you have all necessary tools and parts before starting the installation.
  • Access the Fuel Pump: Remove the rear seat and access the fuel pump assembly located in the fuel tank.
  • Remove the Old Pump: Disconnect the old fuel pump and remove it from the assembly.
  • Install the Walbro Pump: Place the new Walbro 255L fuel pump into the assembly and secure it.
  • Reassemble: Reconnect all components and reassemble the rear seat.

Real-World Performance Feedback

Many Subaru WRX owners have reported their experiences after upgrading to the Walbro 255L fuel pump. Here are some common themes from real-world performance feedback:

  • Improved Acceleration: Drivers often notice a marked improvement in acceleration due to better fuel delivery.
  • Enhanced Reliability: The pump is praised for its reliability, even under high-stress conditions.
  • Fuel Economy: Some users report slight improvements in fuel economy, although this can vary based on driving habits.
  • Noise Levels: A few users note that the pump can be slightly louder than stock pumps, which is something to consider.

Conclusion

The Walbro 255L fuel pump is a solid investment for Subaru WRX owners looking to enhance their vehicle’s performance. With its ability to provide increased fuel flow and support high horsepower builds, it remains a top choice among enthusiasts. While the installation process is manageable for those with some mechanical skills, the performance gains and reliability make it worth considering for anyone serious about modifying their WRX.