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Built for modern WRX power goals, the DeatschWerks DW400 Performance Module delivers increased flow and pressure with full returnless system compatibility. Featuring a pre-installed DW430c pump, ethanol-compatible fuel filter, and Performance In-Tank Regulator (PITR). Designed to drop into the OEM tank and retain all factory functionality, these modules are fully compatible with the WRX's returnless fuel system—no additional plumbing or modifications required.
FEATURES
- Pre-installed DW430c pump and ethanol-compatible filter – Ready to support high-power builds
- Retains OEM fuel system configuration
- Direct replacement with no tank or module modification
- Integrated PITR supports higher base pressure
- Plug-and-play operation
| Year Fitments | Subaru WRX | ||
|---|---|---|---|
| 2015 | ✓ | ||
| 2016 | ✓ | ||
| 2017 | ✓ | ||
| 2018 | ✓ | ||
| 2019 | ✓ | ||
| 2020 | ✓ | ||
| 2021 | ✓ |
WARNING: Operating, servicing and maintaining a passenger vehicle or off-road vehicle can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. To minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your vehicle in a well-ventilated area and wear gloves or wash your hands frequently when servicing your vehicle. For more information go to P65Warnings
| SKU | dwk9-437-7250 |
|---|---|
| Manufacturer's Part Number | 9-437-7250 |
| Brand | Deatschwerks |






