The MagnaFlow 49931 is an OEM Grade direct-fit manifold catalytic converter with an integrated header for the passenger side of the flat-6 engine. It replaces the factory close-coupled unit with no cutting or welding. Construction is 16 gauge stainless steel tubing with mandrel bent geometry and durable 308 stainless steel MIG welds, and a single laser fusion weld replicates the OE design to reduce the chance of leaks. The box includes 3 bolts, 3 nuts, 3 flat washers, 3 split lock washers, and 1 flange gasket. This converter meets Federal EPA emissions standards and is legal in 49 states, not for sale or installation in California, Colorado, or New York.
Specifications
| Type | OEM Grade Direct-Fit Manifold Catalytic Converter with Header |
| Position | Passenger Side, Manifold (Primary / Close-Coupled) |
| Material | Stainless Steel |
| Series | OEM Grade |
| Finish | Uncoated |
| Body Type | Spun |
| Inlet Type | Flange |
| Clamps Included | No |
| Legality | Not legal for sale or installation in California, Colorado or New York. |
| Quantity | 1 |
| Part Number | 49931 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2006 | Porsche | Cayenne | Base |
| 2007-2008 | Porsche | Cayman | Base |
| 2006-2008 | Porsche | Cayman | S |
Which vehicles does this fit?
- It fits the Porsche Cayenne 2006, Porsche Cayman 2006-2008. The full year, make, model and submodel list is in the fitment table on this page. This part is for the passenger side, manifold (primary / close-coupled) position.
Is it legal in my state?
- Not legal for sale or installation in California, Colorado or New York.
What is it made of?
- Stainless Steel.
Shipping
- Orders placed before 3 PM EST typically ship the same business day. Larger items ship within 1 to 3 business days.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Special order items follow a lead time we confirm with you individually before the order is committed.
- Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
- Need to cancel? Email us right away. Cancellations are not guaranteed once an order is in process. In-stock orders cancel free before they ship; a 6% fee applies only to confirmed backorders and special orders.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30 days from delivery to request and ship back a return on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee on the item price before tax and shipping. Shipping is not refunded in either direction. All waived if the item is defective or we made the error.
- Fitment guaranteed: select your vehicle above, or confirm fitment with us in writing before you order. If the part shows as a fit and it is wrong, the return is on us, even after installation. Otherwise, installed or used parts cannot be returned.
- Final sale: special orders, coilovers, electronics, engine internals, turbochargers, superchargers and turbo kits, unless defective or we sent the wrong item.
- Product images may be representative. The SKU and specifications in the listing are what ships.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Returns & Refunds · Warranty






