MagnaFlow OEM Grade Federal Direct-Fit Front Catalytic Converter (Cylinders 1-3) - BMW N54 2007-2010

The MagnaFlow 49766 is an OEM Grade Federal/EPA compliant direct-fit front catalytic converter for the N54 twin turbo inline six, replacing OE 18 30 7 553 594, the primary converter for cylinders 1 to 3. It has a spun body flanged at both ends, a 21.5 inch overall length and two sensor ports for pre and post converter O2 sensors, and ships with a flange gasket and mounting hardware. It is built to Federal/EPA emissions standards for OBDII vehicles and is not legal for sale or use in California, Colorado or New York. Mandrel-bent 16 gauge 409 stainless tubing and 308 stainless MIG welds replicate OEM flow and geometry, and it installs with hand tools, with no cutting or welding.

Specifications

This part fits:

Shipping

• Items stocked at OneFastShop and ordered before 3 PM ET typically ship the same business day. Items stocked with our distributors usually ship within 1 to 3 business days.
• Standard, expedited, and overnight options at checkout.
• Oversized items ship by freight and take longer.
• Backordered items ship as soon as stock lands. Contact us for lead times.
• 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-day returns on new, uninstalled items in original packaging with all hardware.
• Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
• Installed or used parts cannot be returned. Confirm fitment before you install.
• Special orders and custom items are final sale.
• Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Refund Policy