MagnaFlow HM-Grade Federal/EPA-compliant direct-fit catalytic converter (24317) for the 2004-2009 Audi S4 4.2L V8. Spun-body mandrel-bent 409 stainless tubing with a single laser-fusion weld replicates the OE design for smooth flow and a leak-resistant seal; installs with no cutting or welding, includes gaskets. Replaces OE 8E0 254 505 SX and 8E0 254 502 JX. Federal/EPA compliant (not for CA). OBDII.
Specifications
| Type | Direct-fit catalytic converter |
| Grade | HM Grade |
| Material | 409 stainless steel (spun body) |
| Hardware | Gaskets included |
| OEM Replacement | 8E0 254 505 SX, 8E0 254 502 JX |
| Emissions | Federal/EPA compliant (not for CA) |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2008 | Audi | S4 | Avant |
| 2004-2008 | Audi | S4 | Base |
| 2004-2009 | Audi | S4 | Cabriolet |
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