Description
What is the fuel flow rate of the DW400 pump?
The DW400 fuel pump delivers an impressive 400 liters per hour at 40 PSI, ensuring ample fuel for performance applications.
Is professional installation of the DW400 fuel pump recommended?
Professional installation is highly recommended for the DW400 fuel pump to ensure optimal performance and safe operation.
The DW DW400 Fuel Pump with Kit is engineered for 2015-21 WRX models, delivering consistent fuel flow for peak engine performance, achieving a 9/10 score for Street Performance. Its DW400 Performance Module ensures optimal fuel delivery. Trust this high-performance fuel pump for your WRX's enhanced power needs.
What Owners Say
Owners and enthusiasts recognize the DW400 as a capable pump for builds targeting 500-650whp, with users reporting it successfully eliminates fuel pressure fluctuations and reduces the stumble common in high-demand applications. The pump earns praise for smoother acceleration under load, particularly in E85 setups where fuel volume is critical. That said, some in the community note the DW400 remains "controversial," with tuner compatibility being an important consideration before purchase. While opinions vary between DW and competitors like AEM, most users see nothing fundamentally wrong with DeatschWerks' offering. The DW400 has established itself as a legitimate option for serious power upgrades when paired with knowledgeable tuning support.
Key Features
- DW400 Performance Module
- for 2015-21 WRX
Why Choose the DW DW400 Fuel Pump w/Kit
Delivers consistent fuel flow for peak engine performance under demanding conditions.
Achieves optimal fuel delivery for your 2015-21 WRX's enhanced power potential.
Provides the robust fuel supply needed for aggressive driving and track use.
Transforms your WRX's fuel system for reliable power delivery and responsiveness.
Who Is This For?
Street Performance — 9/10
Ensures optimal fuel delivery for performance.
Track / Autocross — 8/10
Provides optimal fuel delivery for demanding driving.
Drag Racing — 8/10
Ensures optimal fuel delivery for maximum power.
Racing Competition — 8/10
Ensures optimal fuel delivery for competitive needs.
Engine Performance — 9/10
Optimizes fuel delivery for enhanced engine operation.
Frequently Asked Questions
What vehicles is the DeatschWerks DW400 Fuel Pump with Kit compatible with?
The DW DW400 Fuel Pump with Kit is specifically designed for the 2015-2021 Subaru WRX models. This ensures a precise fit and optimal integration with your vehicle's factory fuel system, maximizing performance.
What is the installation difficulty for the DW DW400 Fuel Pump w Kit?
Professional installation is recommended for the DW DW400 Fuel Pump w Kit, with confirmation required from a qualified technician. This ensures the complex fuel system is integrated correctly for reliable operation and peak performance.
How does the DW DW400 Fuel Pump w Kit enhance engine performance for my WRX?
The DW DW400 Fuel Pump w Kit delivers consistent fuel flow, achieving a score of 9 for Engine Performance use. This optimized fuel delivery directly translates to enhanced engine operation and reliability for demanding driving scenarios.
What is the primary benefit of the DW400 Performance Module in this fuel pump?
The DW400 Performance Module ensures optimal fuel delivery, a critical factor for Street Performance use with a score of 9. This module is engineered to maintain consistent fuel flow, supporting your WRX's enhanced power potential under demanding conditions.
Important Notices
⚠️ CARB Notice: This product is NOT legal for street use in California under CARB (California Air Resources Board) regulations. For off-road or race use only.
⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
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