# MagnaFlow 557406 Universal Catalytic Converter 557406, 2.5in, Stainless Steel, CARB Compliant

### Performance Overview

If you're looking to enhance your exhaust system with a reliable and effective catalytic converter, the MagnaFlow 557406 is a solid choice. Designed for a range of vehicles, this universal catalytic converter features a 2.50-inch inlet and outlet diameter, making it a versatile option for various setups. Whether you're replacing a worn-out component or upgrading for performance, this converter meets the specific needs of many car owners.

### Key Features

-   Brand: MagnaFlow
-   Part number: 557406
-   Product type: Universal Catalytic Converter 557406, 2.5in, Stainless Steel, CARB Compliant
-   Designed for compatible vehicle applications listed on this page

### Vehicle Fitment

-   Audi A3 2008 - 2011 Attraction Plus
-   Audi A3 2008 - 2013 Base
-   Audi A3 2008 - 2011 S Line
-   Audi A3 2008 - 2013 Attraction
-   Audi A3 2009 - 2010, 2012 - 2013 Cabrio
-   Audi A3 Quattro 2009 - 2013 Base
-   Audi A3 Quattro 2010 - 2011 Attraction Plus
-   Audi A3 Quattro 2011 Sportback 30 Aniversario

### FAQ

**Will this fit my vehicle?**  
Please verify your year, make, model, position, and any fitment notes using the compatibility list above before purchase.

**What part number is this?**  
The listed part number is 557406.

**Is this product designed for direct replacement?**  
Yes. This product is intended to match compatible vehicle applications listed in the fitment section.

**Should I confirm fitment before ordering?**  
Yes. Always compare your original part, position, and vehicle details with the fitment chart before ordering.

### Common Searches

-   Universal Catalytic Converter 557406, 2.5in, Stainless Steel, CARB Compliant for universal fitment
-   557406 fitment
-   MagnaFlow Universal Catalytic Converter 557406, 2.5in, Stainless Steel, CARB Compliant
-   universal MagnaFlow Universal Catalytic Converter 557406, 2.5in, Stainless Steel, CARB Compliant

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

Audi A3 2008 - 2011 Attraction Plus

Audi A3 2008 - 2013 Base

Audi A3 2008 - 2011 S Line

Audi A3 2008 - 2013 Attraction

Audi A3 2009 - 2010, 2012 - 2013 Cabrio

Audi A3 Quattro 2009 - 2013 Base

Audi A3 Quattro 2010 - 2011 Attraction Plus

Audi A3 Quattro 2011 Sportback 30 Aniversario

Audi A3 Quattro 2011 30 Aniversario

Audi A3 Quattro 2011 Sportback Attraction

Audi Q3 2015 Prestige

Audi Q3 2015 Premium Plus

Audi Q3 2015 Technik

Audi Q3 2015 Progressiv

Audi Q3 Quattro 2015 Trendy

Audi Q3 Quattro 2015 Base

Audi Q3 Quattro 2015 Luxury

Audi Q3 Quattro 2015 Progressiv

Audi Q3 Quattro 2015 Prestige

Audi Q3 Quattro 2015 S

Audi Q3 Quattro 2015 Elite

Audi Q3 Quattro 2015 Premium Plus

Audi Q3 Quattro 2015 Technik

Audi S3 2015 Prestige

Audi S3 2015 Base

Audi S3 2015 Premium Plus

Audi S3 2015 Progressiv

Audi S3 2015 Technik

Audi Tt Quattro 2011 - 2015 Base

Audi Tt Quattro 2012 - 2013 Prestige

Audi Tt Quattro 2012 - 2013 Premium Plus

Audi Tt Quattro 2014 S Line

Audi Tts Quattro 2011 - 2015 Base

Bmw 335I 2010 M Sport

Bmw 335I 2010 Base

Bmw 335I Xdrive 2010 Base

Bmw 335Is 2012 - 2013 Base

Buick Lacrosse 2010 - 2011 Cxl

Buick Lacrosse 2010 - 2012 Cxs

Buick Lacrosse 2010 - 2011 Cx

Buick Lacrosse 2012 Premium

Buick Lacrosse 2012 Base

Buick Lacrosse 2012 Touring

Buick Lacrosse 2012 Leather

Buick Lacrosse 2012 Convenience

Cadillac Ats 2013 - 2015 Base

Cadillac Ats 2013 - 2015 Performance

Cadillac Ats 2013 - 2015 Premium

Cadillac Ats 2013 - 2015 Luxury

Cadillac Ats 2013 - 2014 Premium Sport

Chevrolet Camaro 2010 - 2015 Ls

Chevrolet Camaro 2010 - 2015 Lt

Chevrolet Camaro 2011 - 2012 1Lt

Chevrolet Cruze 2011 - 2015 Ltz

Chevrolet Cruze 2011 - 2015 Lt

Chevrolet Cruze 2011 - 2015 Eco

Chevrolet Impala 2012 - 2013 Ls

Chevrolet Impala 2012 - 2013 Police

Chevrolet Impala 2012 - 2013 Lt

Chevrolet Impala 2012 - 2013 Ltz

Chevrolet Impala Limited 2014 - 2015 Ls

Chevrolet Impala Limited 2014 - 2015 Lt

Chevrolet Impala Limited 2014 - 2015 Police

Chevrolet Impala Limited 2014 - 2015 Ltz

Chevrolet Malibu 2011 - 2012 Ltz

Chevrolet Malibu 2011 - 2012 Ls

Chevrolet Malibu 2011 - 2012 Lt

Ford Crown Victoria 2000 - 2002 Lx

Ford Crown Victoria 2000 - 2002 Police Interceptor

Ford Crown Victoria 2000 - 2002 S

## Details

- **Price:** 558.25 CAD
- **Vendor:** MagnaFlow
- **Type:** Universal Catalytic Converter 557406, 2.5in, Stainless Steel, CARB Compliant
- **Tags:** 2.5in, 557406, Auto Parts, Automotive, CARB Compliant, Catalytic Converter, Direct Replacement, Exhaust Performance, Exhaust System, MagnaFlow, Muffler, Performance Exhaust, Performance Parts, Stainless Steel, Universal Catalytic Converter 557406, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 558.25 CAD | In stock |

## Images

- MagnaFlow 557406 Universal Catalytic Converter 557406, 2.5in, Stainless Steel, CARB Compliant

---

> Source: [Standard Auto Part](https://www.standardautopart.com/products/magnaflow-catalytic-converter-universal-557406)
> Updated: 2026-07-06