# MagnaFlow 23971 Heavy Metal Direct Fit Catalytic Converter (2.5" ID/2.5" OD) for 2006-2011 Chevrolet Impala and More

### Performance Overview

Magnaflow specializes in performance catalytic converter. They've spent over thirty years creating, developing, and improving on their technology to earn their reputation as being the global market leader. magnaflow's Heavy Metal catalytic converters use a combination of ceramic and metallic substrates as well as wall thickness specifically developed for your specific vehicle needs.

### Key Features

-   Brand: MagnaFlow
-   Part number: 23971
-   Product type: Heavy Metal Direct Fit Catalytic Converter (2.5" ID/2.5" OD)
-   Designed for compatible vehicle applications listed on this page

### Vehicle Fitment

-   2006 Chevrolet Impala, Note: Ls, Lt, Ltz, Police; 3.5L, 3.9L; 2.50"; 2.50"
-   2007 Chevrolet Impala, Note: Ls, Lt, Ltz, Police; 3.5L, 3.9L; 2.50"; 2.50"
-   2008 Chevrolet Impala, Note: 50Th Anniversary Edition, Ls, Lt, Ltz, Police; 3.5L, 3.9L; 2.50"; 2.50"
-   2009 Chevrolet Impala, Note: Ls, Lt, Ltz, Police; 3.5L, 3.9L; 2.50"; 2.50"
-   2010 Chevrolet Impala, Note: Ls, Lt; 3.5L; 2.50"; 2.50"
-   2011 Chevrolet Impala, Note: Ls, Lt; 3.5L; 2.50"; 2.50"
-   2006 Chevrolet Monte Carlo, Note: Ls, Lt, Ltz; 3.5L, 3.9L; 2.50"; 2.50"
-   2007 Chevrolet Monte Carlo, Note: Ls, Lt; 3.5L; 2.50"; 2.50"

### 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 23971.

**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

-   Heavy Metal Direct Fit Catalytic Converter (2.5" ID/2.5" OD) for Chevrolet Impala
-   23971 fitment
-   MagnaFlow Heavy Metal Direct Fit Catalytic Converter (2.5" ID/2.5" OD)
-   2006 Chevrolet Impala Heavy Metal Direct Fit Catalytic Converter (2.5" ID/2.5" OD)

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2006

Chevrolet

Impala

Ls, Lt, Ltz, Police; 3.5L, 3.9L; 2.50"; 2.50"

2007

Chevrolet

Impala

Ls, Lt, Ltz, Police; 3.5L, 3.9L; 2.50"; 2.50"

2008

Chevrolet

Impala

50Th Anniversary Edition, Ls, Lt, Ltz, Police; 3.5L, 3.9L; 2.50"; 2.50"

2009

Chevrolet

Impala

Ls, Lt, Ltz, Police; 3.5L, 3.9L; 2.50"; 2.50"

2010

Chevrolet

Impala

Ls, Lt; 3.5L; 2.50"; 2.50"

2011

Chevrolet

Impala

Ls, Lt; 3.5L; 2.50"; 2.50"

2006

Chevrolet

Monte Carlo

Ls, Lt, Ltz; 3.5L, 3.9L; 2.50"; 2.50"

2007

Chevrolet

Monte Carlo

Ls, Lt; 3.5L; 2.50"; 2.50"

## Details

- **Price:** 745.3 CAD
- **Vendor:** MagnaFlow
- **Type:** Heavy Metal Direct Fit Catalytic Converter (2.5" ID/2.5" OD)
- **Tags:** 2006 Chevrolet Impala, 2006 Chevrolet Monte Carlo, 2007 Chevrolet Impala, 2007 Chevrolet Monte Carlo, 2008 Chevrolet Impala, 2009 Chevrolet Impala, 2010 Chevrolet Impala, 2011 Chevrolet Impala, 23971, Auto Parts, Automotive, Catalytic Converter, Direct Replacement, Exhaust Performance, Exhaust System, Heavy Metal Direct Fit Catalytic Converter (2.5" ID/2.5" OD), MagnaFlow, Magnaflow-23971, Muffler, Performance Exhaust, Performance Parts, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 745.30 CAD | In stock |

## Images

- MagnaFlow 23971 Heavy Metal Direct Fit Catalytic Converter (2.5" ID/2.5" OD)

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/magnaflow-chevrolet-impala-catalytic-converter-23971)
> Updated: 2026-07-16