What is included with this Magnaflow catalytic converter?

This Magnaflow catalytic converter includes the converter itself, along with essential gaskets and hardware for installation. This helps ensure a proper seal and avoids the need to reuse corroded factory components.

Is this catalytic converter legal to use in California?

Yes, this Magnaflow catalytic converter (Part #452790) 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.

Do I need to cut or weld to install this catalytic converter?

No, this is a direct-fit catalytic converter designed to bolt directly onto your vehicle's exhaust system. No cutting or welding is required for installation, provided you have the proper tools.

Magnaflow Conv DF 04-05 BMW 545I 4.4L P/S

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Specifications

Brand: Magnaflow
Part #: 452790
UPC: 841380093141

Magnaflow Conv DF 04-05 BMW 545I 4.4L P/S

Name: Magnaflow Conv DF 04-05 BMW 545I 4.4L P/S
Brand: Magnaflow
Price: 1222.00 USD
Availability: InStock

$1222.00

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Fits 2004-2005 BMW 545i. Magnaflow direct-fit catalytic converter, CARB compliant, with included gaskets and hardware for easier installation.

Key Features

Fits 2004-2005 BMW 545i, 2004-2005 BMW 645Ci, 2004-2005 BMW 745Li, and 2004-2005 BMW 745i.
This direct-fit catalytic converter is CARB compliant and designed to meet or exceed California Air Resource Board requirements.
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 OE flow dynamics for maintaining factory performance and fuel efficiency.
Replicates the OE spun body design with a single laser fusion weld to minimize leak possibilities.
Includes essential gaskets and hardware, simplifying installation and avoiding the need to reuse old factory parts.

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Will this fit your vehicle?

Product Details

When your check engine light comes on for emissions issues, you need a reliable replacement. This Magnaflow Direct-Fit Catalytic Converter is built to keep your 2004-2005 BMW 545i running cleanly and legally, especially in California and other CARB-restricted states. It's designed to meet or exceed California Air Resource Board requirements, so you can be confident it'll pass emissions testing.

Magnaflow uses free-flowing, mandrel-bent tubing made from highly corrosion-resistant stainless steel for durability and a long service life. They replicate the original equipment's spun body design, using a single laser fusion weld to greatly reduce the chance of leaks. The compact, low-mass design also helps with thermal efficiency. Magnaflow uses advanced 3D scanning during their research and development to ensure this converter fits and functions just like the original part.

Installation is made simpler because this converter comes with the essential gaskets and hardware you'll need, avoiding the need to reuse old, corroded factory parts. This direct-fit converter is designed to bolt right up, meaning no cutting or welding is required, making it a straightforward replacement job with the proper tools.