Deatschwerks X2 Series Fuel Pump Module with Dual DW420 Pumps Subaru WRX / STI 2008-2021 | 9-421-7050

Maximize your Subaru's fueling potential with the DeatschWerks X2-Series Dual DW420 Fuel Pump Module, engineered specifically for 2008+ Subaru WRX and STI models. This high-performance module is a true plug-and-play solution, providing up to 400% more fuel flow over the factory system — while retaining full OE functionality and compatibility with the stock fuel tank.

Built for serious power builds and ethanol applications, the X2 module includes two DeatschWerks DW420 fuel pumps, supports return-style fuel systems, and preserves all factory features like the fuel level sensor, surge tank capability, and fuel tank capacity. Whether you're running E85 or high-octane race fuel, this module ensures reliable, consistent fuel delivery under all conditions.

Key Features & Benefits

• Dual DW420 Pumps Included – High-output pumps support big-power builds and ethanol blends

• 400% Flow Increase Over OEM – Massive flow capacity for high horsepower and boosted setups

• Return Line Integration – Designed for return-style fuel systems with capped port option

• Full OEM Functionality Retained – Keeps factory fuel level sensor, tank capacity, and surge functions

• True Plug-and-Play Fit – Installs directly into OEM tank using original mounting points

• Includes OE Replacement Parts – Comes with OE-style bucket, level sensor, top-hat, and center section

• Dual Pump Configuration – Ready to run two pumps from day one — no retrofitting required

• E85 Compatible – Safe for use with ethanol, race fuels, and pump gas

Recommended Upgrade

For optimal performance, DeatschWerks recommends using a 10-gauge fuel pump hardwire kit to ensure maximum voltage delivery to both pumps.
➡️ Recommended PN: FPHWK-10-HD

What’s Included

• (2) DeatschWerks DW420 Fuel Pumps

• (1) X2-Series Top-Hat Assembly

• (1) Center Section

• (1) OE-Style Lower Bucket

• Integrated Fuel Level Sensor

• Wiring, Seals, and Installation Hardware