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The Subaru EJ255 engine is known for its potential to deliver impressive horsepower with the right modifications. For enthusiasts aiming for a target of 450 horsepower, two key components often come into play: the APS Cold Air Intake and the DW300 Fuel Pump. This article will provide a detailed cost breakdown of achieving 450 HP with these modifications, helping you understand the investment required.
Understanding the EJ255 Engine
The EJ255 is a turbocharged flat-four engine that powers several Subaru models. With a robust design, it can handle significant power increases when paired with the right aftermarket parts. To achieve 450 HP, a combination of tuning, intake upgrades, and fuel system enhancements is necessary.
Key Components for 450 HP Setup
- APS Cold Air Intake
- DW300 Fuel Pump
- ECU Tune
- Supporting Modifications
1. APS Cold Air Intake
The APS Cold Air Intake is designed to improve airflow to the engine, enhancing performance and throttle response. This component is essential for reaching higher horsepower levels.
Cost: The APS Cold Air Intake typically retails for around $300 to $400, depending on the retailer and any ongoing promotions.
2. DW300 Fuel Pump
The DW300 Fuel Pump is a high-performance fuel pump that can support the increased fuel demands of a 450 HP setup. It is crucial for maintaining proper fuel pressure and delivery.
Cost: The DW300 Fuel Pump usually costs between $150 and $200.
Additional Costs for Supporting Modifications
To ensure the EJ255 can reliably produce 450 HP, several supporting modifications may be necessary. These modifications can include upgraded intercoolers, exhaust systems, and engine management systems.
- Upgraded Intercooler: $500 – $800
- Performance Exhaust System: $300 – $700
- ECU Tuning: $500 – $1,200
Total Estimated Cost Breakdown
Now that we have the individual costs outlined, let’s summarize the total estimated cost to achieve 450 HP with the APS Cold Air Intake and DW300 Fuel Pump, along with supporting modifications.
- APS Cold Air Intake: $300 – $400
- DW300 Fuel Pump: $150 – $200
- Upgraded Intercooler: $500 – $800
- Performance Exhaust System: $300 – $700
- ECU Tuning: $500 – $1,200
Total Estimated Cost Range: $1,750 – $3,300
Conclusion
Achieving 450 horsepower from the Subaru EJ255 is an attainable goal with the right components and modifications. The APS Cold Air Intake and DW300 Fuel Pump are crucial elements in this performance upgrade. When planning your budget, consider the additional costs for supporting modifications and tuning to ensure a reliable and powerful setup.
By understanding the cost breakdown, you can make informed decisions about your modifications and set realistic expectations for your EJ255 performance goals.