Is this catalytic converter legal in California?

Yes, this Magnaflow catalytic converter is California CARB compliant. It has undergone additional testing to meet or exceed California Air Resource Board requirements, making it legal for use in California and other CARB-restricted states for the specified vehicles.

What is included with this catalytic converter?

This Magnaflow direct-fit catalytic converter includes one nut to assist with installation. It is designed to bolt directly onto your vehicle without needing additional hardware for the converter itself, though you should always use the proper tools and refer to installation instructions.

How does the direct-fit design simplify installation?

The direct-fit design means this converter is manufactured to match the original equipment's mounting points and exhaust pipe routing. This allows for a bolt-on installation without the need for cutting or welding, making the process much simpler and faster with the correct tools.

Magnaflow 07-11 Mercedes-Benz R350 3.5L Direct Fit Converter

Specifications

Brand: Magnaflow
Part #: 5551178
UPC: 888563149837

Magnaflow 07-11 Mercedes-Benz R350 3.5L Direct Fit Converter

Name: Magnaflow 07-11 Mercedes-Benz R350 3.5L Direct Fit Converter
Brand: Magnaflow
Price: 2012.00 USD
Availability: InStock

$2012.00

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 2007-2011 Mercedes-Benz R350. Magnaflow's CARB-compliant direct-fit catalytic converter keeps your check engine light off and ensures legal emissions.

Key Features

Fits 2007-2011 Mercedes-Benz R350 3.5L.
This converter is California CARB compliant and meets or exceeds emissions requirements for legal use in California and CARB-restricted states.
Constructed with high-strength 16-gauge 409 stainless steel tubing for excellent corrosion resistance and a long service life.
Features free-flowing mandrel-bent tubing that replicates the OE design for smooth exhaust flow and optimal fuel economy.
Direct-fit design means no cutting or welding is required for installation, simplifying the process.
Single laser fusion weld is used to minimize the possibility of exhaust leaks.

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Fits this vehicle

Mercedes-Benz R350 2007-2011

Product Details

This Magnaflow Direct-Fit Catalytic Converter, part number 5551178, is built with a high-strength 16-gauge 409 stainless steel body and features mandrel-bent tubing. This construction helps maintain smooth exhaust flow, which is crucial for optimal fuel economy and keeping your check engine light off. It's designed to replicate the original equipment's geometry and flow dynamics, ensuring your 2007-2011 Mercedes-Benz R350 3.5L performs as expected.

Magnaflow uses advanced 3D scanning during development to ensure this converter fits precisely like the factory part, making installation straightforward. The single laser fusion weld is designed to greatly reduce the chance of leaks, and its compact, low-mass design contributes to better thermal efficiency. This converter is CARB compliant, meaning it meets or exceeds California Air Resource Board requirements and is legal for use in California and other CARB-restricted states.

Installation is designed to be a direct bolt-on process, requiring no cutting or welding when using the proper tools. A single nut is included to assist with installation. This is a well-built replacement part that helps ensure your vehicle meets emissions standards.