# MagnaFlow 5421173 California Direct Fit Catalytic Converter for 2009-2015 Cadillac Cts

### Performance Overview

Magnaflow's California Catalytic Converter is designed to be CARB compliant. The catalytic converter's ribbed body is designed to minimize distortion and expansion of the body to hold the ceramic catalyst in place. magnaflow's Catalytic Converters are made of stainless steel and are backed by their limited lifetime warranty.

### Key Features

-   Brand: MagnaFlow
-   Part number: 5421173
-   Product type: California Direct Fit Catalytic Converter
-   Designed for compatible vehicle applications listed on this page

### Vehicle Fitment

-   2009 Cadillac Cts, Note: V; 6.2L
-   2010 Cadillac Cts, Note: V; 6.2L
-   2011 Cadillac Cts, Note: V; 6.2L
-   2012 Cadillac Cts, Note: V; 6.2L
-   2013 Cadillac Cts, Note: V; 6.2L
-   2014 Cadillac Cts, Note: V; 6.2L
-   2015 Cadillac Cts, Note: V; 6.2L

### 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 5421173.

**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

-   California Direct Fit Catalytic Converter for Cadillac Cts
-   5421173 fitment
-   MagnaFlow California Direct Fit Catalytic Converter
-   2009 Cadillac Cts California Direct Fit Catalytic Converter

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2009

Cadillac

Cts

V; 6.2L

2010

Cadillac

Cts

V; 6.2L

2011

Cadillac

Cts

V; 6.2L

2012

Cadillac

Cts

V; 6.2L

2013

Cadillac

Cts

V; 6.2L

2014

Cadillac

Cts

V; 6.2L

2015

Cadillac

Cts

V; 6.2L

## Details

- **Price:** 1319.5 CAD
- **Vendor:** MagnaFlow
- **Type:** California Direct Fit Catalytic Converter
- **Tags:** 2009 Cadillac Cts, 2010 Cadillac Cts, 2011 Cadillac Cts, 2012 Cadillac Cts, 2013 Cadillac Cts, 2014 Cadillac Cts, 2015 Cadillac Cts, 5421173, Auto Parts, Automotive, California Direct Fit Catalytic Converter, Catalytic Converter, Direct Replacement, Exhaust Performance, Exhaust System, MagnaFlow, Magnaflow-5421173, Muffler, Performance Exhaust, Performance Parts, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1319.50 CAD | In stock |

## Images

- MagnaFlow 5421173 California Direct Fit Catalytic Converter

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/magnaflow-cadillac-cts-catalytic-converter-carb-5421173)
> Updated: 2026-07-16