Does this catalytic converter come with everything needed for installation?

This Magnaflow direct-fit catalytic converter includes one flange gasket to help ensure a proper seal. While no cutting or welding is required, you will need the appropriate tools for a bolt-on installation.

Is this catalytic converter legal for use in California?

Yes, this converter is California Grade CARB Compliant. It has undergone additional testing to meet CARB guidelines, making it legal for use in California and other states with similar emissions regulations.

What is the benefit of the 409 stainless steel construction?

The high-strength 409 stainless steel tubing offers exceptional corrosion resistance. This means the converter is built to last and can withstand harsh road conditions and environmental exposure for a maximum service life.

Specifications

Brand: Magnaflow
Part #: 4551479
UPC: 888563153704

Magnaflow 03-06 Chevrolet Silverado 2500 HD 6.0L Direct Fit Converter

Name: Magnaflow 03-06 Chevrolet Silverado 2500 HD 6.0L Direct Fit Converter
Brand: Magnaflow
SKU: magnaflow-magnaflow-03-06-chevrolet-silverado-2500-hd-6-0l-direct-fit-converter-t14-816308
Price: 1395.00 USD
Availability: BackOrder

$1395.00

On Backorder

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

Fits 2003-2006 Chevrolet Silverado 2500 HD. Magnaflow direct-fit catalytic converter helps keep your check engine light off and meets CARB requirements.

Key Features

Fits 2003-2007 Chevrolet Silverado 2500 HD and 2003-2007 GMC Sierra 2500 HD with 6.0L engine.
California Grade CARB Compliant for legal use in California and other emissions-restricted states.
Constructed from high-strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance.
Features free-flowing mandrel-bent tubing that replicates OEM geometry for smooth exhaust flow.
Single laser fusion weld design minimizes the possibility of leaks.
Compact, low-mass design allows for greater thermal efficiency.

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About this part

Product Details

This Magnaflow California Grade CARB Compliant Direct-Fit Catalytic Converter is built with 16 gauge 409 stainless steel tubing for strong corrosion resistance and a long service life. MagnaFlow's research team uses 3D scanning to ensure this converter fits and functions just like the original equipment on your 2003-2006 Chevrolet Silverado 2500 HD with the 6.0L engine. The single laser fusion weld is designed to greatly reduce the chance of leaks, and its compact, low-mass design helps with thermal efficiency.

Because it's a direct-fit unit, installation is simplified as no cutting or welding is required, making it a straightforward bolt-on replacement. This converter is designed to meet or exceed California Air Resource Board (CARB) requirements, meaning it's legal for use in California and other states with strict emissions standards. You can be confident that this converter will help keep your check engine light off and maintain your truck's performance and fuel efficiency.

This converter comes with a flange gasket to help ensure a leak-free seal during installation. It's a well-built replacement part that's ready to get your truck back to running cleanly and efficiently.