MagnaFlow 5561477 is a California Grade CARB compliant direct-fit catalytic converter for the M271 1.8L turbocharged four, replacing the close-coupled primary converter that mounts off the turbocharger and is the only catalyst on the car. A 3.0 in flanged inlet feeds an 8.625 in ceramic substrate converter body and a 2.25 in flanged outlet across 22.75 in overall, with oxygen sensor ports at the pre-converter and midbed positions. Tubing is 16 gauge 409 stainless steel with 308 stainless MIG welds and 410 stainless barbed hangers, and hangers plus two outlet nuts are supplied. CARB Executive Order D-193-198 and New York certification make it legal in all 50 states for the listed vehicles.
Specifications
| Type | California Grade CARB compliant direct-fit catalytic converter |
| Position | Primary (close-coupled, mounted off the turbocharger); only converter on the vehicle |
| Material | 16 gauge 409 stainless steel tubing, 308 stainless MIG welds, 410 stainless barbed hangers |
| Substrate | Ceramic |
| Inlet | 3.0 in, flange |
| Outlet | 2.25 in, flange |
| Overall Length | 22.75 in |
| Converter Body | 8.625 in L x 4 in diameter, round spun body |
| Oxygen Sensor Ports | 2 (pre-converter and midbed) |
| Air Tube | None; not air tube adaptable |
| Included Hardware | Exhaust hangers, (2) nuts |
| Emissions Compliance | CARB certified, Executive Order D-193-198; New York certified. Legal in all 50 states including California, Colorado, New York and Maine |
| Quantity | 1 |
| Part Number | 5561477 |
| Warranty | 5 years / 50,000 miles construction; 5 years / 50,000 miles emissions |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2012-2015 | Mercedes-Benz | C250 | Base |
| 2012-2014 | Mercedes-Benz | C250 | Luxury |
| 2012-2014 | Mercedes-Benz | C250 | Sport |
| 2012-2015 | Mercedes-Benz | SLK250 | Base |
Shipping
- Orders placed before 3 PM ET 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
