MagnaFlow OEM-Grade Federal/EPA-compliant direct-fit catalytic converter (51644) for the 1997-2005 Audi A4 and A4 Quattro and 1998-2005 Volkswagen Passat 1.8L. Spun-body 409 stainless construction with mandrel-bent tubing and a single laser-fusion weld replicates the OE design for smooth flow and a leak-resistant seal; installs with no cutting or welding and includes gaskets. Federal/EPA compliant (not for CA) for OBDII vehicles.
| Type | Direct-fit catalytic converter |
| Grade | OEM Grade |
| Material | 409 stainless steel (spun body) |
| Hardware | Gaskets included |
| OEM Replacement | 8E0 131 089 DX, 4B0 254 200 X |
| Emissions | Federal/EPA compliant (not for CA) |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1997-2005 | Audi | A4 | Base |
| 2003-2006 | Audi | A4 | Cabriolet |
| 1999-2005 | Audi | A4 Quattro | Avant |
| 1997-2005 | Audi | A4 Quattro | Base |
| 2004 | Audi | A4 Quattro | Cabriolet |
| 2003-2005 | Volkswagen | Passat | GL |
| 1998-2005 | Volkswagen | Passat | GLS |
| 2004-2005 | Volkswagen | Passat | GLS 4 Motion |
| 1999-2003 | Volkswagen | Passat | GLX |
