MagnaFlow EPA Direct-Fit Catalytic Converter - Mercedes GL450/GL550/ML550 4.6L 2007-2012

MagnaFlow OEM-grade, Federal/EPA-compliant direct-fit underbody catalytic converter (52172) for the 2007-2012 Mercedes-Benz GL450/GL550 and 2008-2011 ML550. Spun-body 409 stainless with mandrel-bent tubing replicates the OE design for smooth flow and a leak-resistant laser-fusion weld; installs with no cutting or welding. Meets Federal EPA emissions standards (not CARB / not for CA-emissions vehicles).

Specifications

This part fits:

Shipping

• In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
• 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 can’t 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