The DeatschWerks DW400 performance module is a drop-in fuel-pump module that pairs a high-flow DW400 in-tank pump with a returnless interface for the 2001-2005 Honda Civic and 2002-2006 Acura RSX. It installs in the factory location using direct-fit electrical connections, raising fuel-supply capacity for bolt-on builds.
| Type | DW400 returnless pump module |
| Flow | 415 LPH (DW400 pump) |
| Mounting | In-tank module |
| Configuration | Returnless |
| Fitment | Honda Civic / Acura RSX 2001-2006 (see table) |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2006 | Acura | RSX | Base |
| 2002-2006 | Acura | RSX | Type-S |
| 2001-2005 | Honda | Civic | DX |
| 2001-2005 | Honda | Civic | EX |
| 2001-2005 | Honda | Civic | GX |
| 2001-2005 | Honda | Civic | HX |
| 2001-2005 | Honda | Civic | LX |
| 2002-2005 | Honda | Civic | Si |
| 2003-2005 | Honda | Civic | Hybrid |
| 2004-2005 | Honda | Civic | Value Package |
| 2005 | Honda | Civic | EX Special Edition |
| 2005 | Honda | Civic | LX Special Edition |
