Is this catalytic converter legal for use in California?

Yes, this Magnaflow California Grade converter is specifically designed to meet or exceed California Air Resource Board (CARB) requirements. It has undergone additional testing to comply with CARB guidelines, making it legal for use in California and other CARB-restricted states for the listed vehicles.

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

No, this is a direct-fit catalytic converter. It's designed to replicate the original equipment's fit and geometry, so no cutting or welding is required for installation, though you will need the proper tools.

What materials is this catalytic converter made from?

The tubing is made from high-strength 16-gauge 409 stainless steel for excellent corrosion resistance and a long service life. The body is constructed with durable 308 stainless steel MIG welds.

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Specifications

Brand: Magnaflow
Part #: 441095
UPC: 841380095237

MagnaFlow Conv DF 04-06 Audi S4 4.2L CA

Name: MagnaFlow Conv DF 04-06 Audi S4 4.2L CA
Brand: Magnaflow
Price: 1454.00 USD
Availability: InStock

$1454.00

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Fits 2004-2006 Audi S4. Magnaflow's California Grade CARB Compliant Direct-Fit Catalytic Converter keeps your check engine light off.

Key Features

Fits 2004-2006 Audi S4, 2004 Audi Allroad Quattro, 2004 Audi A6 Quattro, and 2006 Volkswagen Phaeton.
California Grade CARB Compliant for legal use in California and other CARB-restricted states.
Free-flowing mandrel-bent tubing helps maintain smooth exhaust flow and peak fuel economy.
Highly corrosion resistant stainless steel construction ensures maximum service life.
Direct-fit design replicates OE geometry, simplifying installation with no cutting or welding required.
Single laser fusion weld on the OE-style spun body design greatly reduces the possibility of leaks.

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Product Details

Magnaflow is well-known for its free-flowing exhaust systems, and this California Grade CARB Compliant Direct-Fit Catalytic Converter is built with that same philosophy. If you're driving a 2004-2006 Audi S4, this converter is designed to keep your check engine light off and ensure your emissions system is functioning correctly, especially in California and other CARB-restricted states. It's made to meet or exceed California Air Resource Board requirements, meaning it's undergone extra testing for legal use.

This converter is constructed with highly corrosion-resistant stainless steel tubing, and the tubing itself is mandrel-bent to maintain smooth exhaust flow, which helps with fuel economy. Magnaflow uses advanced 3D scanning during their research and development to make sure this part fits just like the original equipment. The OE-style spun body design is sealed with a single laser fusion weld, greatly reducing the chance of leaks. Its compact, low-mass design also helps with thermal efficiency.

Installation is made easier because this is a direct-fit unit, meaning no cutting or welding is required, though you will need the proper tools. Essential gaskets and hardware are included in the box to help simplify the installation process.