What is included with this catalytic converter?

This MagnaFlow catalytic converter includes essential gaskets and hardware for installation. Specifically, it comes with (1) Nut, (3) Bolts, (1) Flange Gasket, and (1) O2 Port Plug.

Does this catalytic converter require welding or cutting for installation?

No, this is a direct-fit catalytic converter designed for easy installation using the proper tools. It does not require cutting or welding, as it is engineered to bolt directly in place of the original equipment.

Is this catalytic converter legal for use in all states?

This catalytic converter is designed to meet Federal emissions requirements set forth by the EPA. However, it is not CARB approved and cannot be shipped to California due to emissions regulations.

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Specifications

Brand: Magnaflow
Part #: 49136
UPC: 841380020666

MagnaFlow Conv DF Audi S4

Name: MagnaFlow Conv DF Audi S4
Brand: Magnaflow
Price: 1049.00 USD
Availability: InStock

$1049.00

On Backorder — Expected to ship by Apr 12, 2026

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

MagnaFlow Direct-Fit Catalytic Converter 49136. Keeps your check engine light off with EPA-compliant emissions control.

Key Features

Fits a wide range of Audi vehicles including the 2009 Audi Q5, 2012-2015 Audi A6 Quattro, and 2010-2016 Audi S4.
Includes essential gaskets and hardware for installation, reducing the need to reuse old parts.
Constructed with high-strength 16-gauge 409 stainless steel tubing for excellent corrosion resistance.
Features free-flowing, mandrel-bent tubing that retains the original equipment's design and geometry.
Designed to meet or exceed Federal emissions requirements for OBDII Federally registered vehicles.
Replicates the OE spun body design with a single laser fusion weld to minimize leak potential.

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Product Details

This MagnaFlow Direct-Fit Catalytic Converter, part number 49136, comes with essential gaskets and hardware to help you get the job done right. It's designed to keep your check engine light off by meeting Federal emissions requirements for OBDII Federally registered vehicles. This converter is built with free-flowing, mandrel-bent tubing and a highly corrosion-resistant stainless steel construction, ensuring it lasts. MagnaFlow uses advanced 3D scanning during development to ensure this part fits and functions like the original equipment it replaces.

The design replicates the original equipment's spun body, and a single laser fusion weld is used to greatly reduce the possibility of leaks. Its compact, low-mass design also helps with thermal efficiency. The high-strength 16-gauge 409 stainless steel tubing is chosen for its corrosion resistance and long service life, while the 308 stainless steel MIG welds add durability. This converter is designed to fit a range of Audi vehicles, including models like the 2009 Audi Q5, 2012-2015 Audi A6 Quattro, and 2010-2016 Audi S4, among others. It's a direct replacement that requires no cutting or welding for installation, simplifying the process when you have the proper tools.

This converter is designed to meet or exceed Federal emissions requirements set forth by the EPA. It's important to note that this part is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for specific details regarding the installation process.