The MagnaFlow 52373 is an OEM-grade, Federal/EPA-compliant direct-fit underbody catalytic converter for the driver side (Bank 2) of the 4.5L V8 Cayenne. It uses 16-gauge 409 stainless steel mandrel-bent tubing with a spun body that replicates the factory geometry, and a single laser fusion weld reduces leak points while the compact, low-mass design improves thermal efficiency. OE-style 410 stainless barbed hangers and 308 stainless MIG welds add durability, and the hardware needed for installation is included to avoid reusing corroded factory parts, for a bolt-in fit with no cutting or welding. It is emissions-legal on Federal/EPA vehicles in 49 states and is not legal for sale or use in California.
| Type | Direct-Fit Catalytic Converter (OEM Grade) |
| Position | Driver side (Bank 2), underbody |
| Material | 16-gauge 409 stainless steel |
| Emissions | Federal/EPA compliant (49-state, not legal in California) |
| Quantity | 1 |
| Part Number | 52373 |
| OEM Replacement | 955 113 023 AX, 955 113 023 00 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2006 | Porsche | Cayenne | Base |
| 2004-2006 | Porsche | Cayenne | S |
