Will this catalytic converter keep my check engine light off?

Yes, this MagnaFlow Direct-Fit Catalytic Converter is designed to meet or exceed California Air Resource Board (CARB) requirements. This ensures proper function of your emissions system, which should prevent the check engine light from coming on due to catalytic converter issues.

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

No, this is a Direct-Fit catalytic converter. It's designed to replicate the OE design and geometry, meaning it installs using the original mounting points and requires no cutting or welding, just the proper tools.

What materials is this catalytic converter made from?

The tubing is made from high-strength 16-gauge 409 stainless steel for exceptional corrosion resistance and service life. The welds are durable 308 stainless steel MIG welds.

2001-2003 Audi S8 Catalytic Converter

Name: MagnaFlow 2001-2003 Audi S8 4.2L Direct-Fit Catalytic Converter 34.5in Length
Brand: Magnaflow
Price: 1461.00 USD
Availability: InStock

MagnaFlow 2001-2003 Audi S8 4.2L Direct-Fit Catalytic Converter 34.5in Length

$1461.00

On Backorder

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

Fits 2001-2003 Audi S8. MagnaFlow Direct-Fit Catalytic Converter keeps your check engine light off and meets CARB requirements.

Key Features

Fits 2001-2003 Audi S8.
California Grade CARB Compliant for legal use in restricted states.
Free-flowing mandrel-bent tubing for smooth exhaust flow.
Highly corrosion-resistant stainless steel construction for durability.
Direct-fit design requires no cutting or welding for installation.
Single laser fusion weld reduces the possibility of leaks.

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Fits this vehicle

Audi S8 2001-2003

Product Details

MagnaFlow is known for making well-built exhaust components that improve flow and sound. For your 2001-2003 Audi S8, this Direct-Fit Catalytic Converter is designed to keep your emissions system working correctly and your check engine light off. It's built to meet or exceed California Air Resource Board (CARB) requirements, making it legal for use in California and other restricted states.

This converter uses free-flowing, mandrel-bent tubing to ensure smooth exhaust flow, which helps maintain factory performance and fuel efficiency. The construction features highly corrosion-resistant stainless steel for durability and a long service life. MagnaFlow uses advanced 3D scanning during their research and development to ensure this part fits exactly like the original equipment, so you can expect a straightforward installation. The single laser fusion weld is designed to greatly reduce the chance of leaks, and its compact, low-mass design helps with thermal efficiency.

Installation is made simpler because this converter is designed as a direct fit, meaning no cutting or welding is required, just use the proper tools. It includes one nut to help with the installation process. This part interchanges with several original equipment part numbers, including 4D0 131 090 RX and 4D0 254 350 BX.