# MagnaFlow 447280 Direct Fit California Catalytic Converter (3" ID/3" OD) for 2001-2005 Chevrolet Avalanche 2500 and More

### 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: 447280
-   Product type: Direct Fit California Catalytic Converter (3" ID/3" OD)
-   Designed for compatible vehicle applications listed on this page

### Vehicle Fitment

-   2002 Chevrolet Avalanche 2500, Note: Base; 8.1L; 3.00"; 3.00"; 4 Wheel Drive
-   2003 Chevrolet Avalanche 2500, Note: Base; 8.1L; 3.00"; 3.00"
-   2001 Chevrolet Suburban 2500, Note: Base, Ls, Lt; 8.1L; 3.00"; 3.00"
-   2002 Chevrolet Suburban 2500, Note: Ls, Lt; 8.1L; 3.00"; 3.00"
-   2003 Chevrolet Suburban 2500, Note: Ls, Lt; 8.1L; 3.00"; 3.00"
-   2001 GMC Yukon Xl 2500, Note: Sle, Slt; 8.1L; 3.00"; 3.00"
-   2002 GMC Yukon Xl 2500, Note: Sle, Slt; 8.1L; 3.00"; 3.00"
-   2003 GMC Yukon Xl 2500, Note: Sle, Slt; 8.1L; 3.00"; 3.00"

### 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 447280.

**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

-   Direct Fit California Catalytic Converter (3" ID/3" OD) for Chevrolet Avalanche 2500
-   447280 fitment
-   MagnaFlow Direct Fit California Catalytic Converter (3" ID/3" OD)
-   2001 Chevrolet Avalanche 2500 Direct Fit California Catalytic Converter (3" ID/3" OD)

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2002

Chevrolet

Avalanche 2500

Base; 8.1L; 3.00"; 3.00"; 4 Wheel Drive

2003

Chevrolet

Avalanche 2500

Base; 8.1L; 3.00"; 3.00"

2001

Chevrolet

Suburban 2500

Base, Ls, Lt; 8.1L; 3.00"; 3.00"

2002

Chevrolet

Suburban 2500

Ls, Lt; 8.1L; 3.00"; 3.00"

2003

Chevrolet

Suburban 2500

Ls, Lt; 8.1L; 3.00"; 3.00"

2001

GMC

Yukon Xl 2500

Sle, Slt; 8.1L; 3.00"; 3.00"

2002

GMC

Yukon Xl 2500

Sle, Slt; 8.1L; 3.00"; 3.00"

2003

GMC

Yukon Xl 2500

Sle, Slt; 8.1L; 3.00"; 3.00"

2004

GMC

Yukon Xl 2500

Sle, Slt; 8.1L; 3.00"; 3.00"; Rear Wheel Drive

2005

GMC

Yukon Xl 2500

Sle, Slt; 8.1L; 3.00"; 3.00"; 4 Wheel Drive

## Details

- **Price:** 1669.47 CAD
- **Vendor:** MagnaFlow
- **Type:** Direct Fit California Catalytic Converter (3" ID/3" OD)
- **Tags:** 2001 Chevrolet Suburban 2500, 2001 GMC Yukon Xl 2500, 2002 Chevrolet Avalanche 2500, 2002 Chevrolet Suburban 2500, 2002 GMC Yukon Xl 2500, 2003 Chevrolet Avalanche 2500, 2003 Chevrolet Suburban 2500, 2003 GMC Yukon Xl 2500, 2004 GMC Yukon Xl 2500, 2005 GMC Yukon Xl 2500, 447280, Auto Parts, Automotive, Catalytic Converter, Direct Fit California Catalytic Converter (3" ID/3" OD), Direct Replacement, Exhaust Performance, Exhaust System, MagnaFlow, Magnaflow-447280, Muffler, Performance Exhaust, Performance Parts, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1669.47 CAD | In stock |

## Images

- MagnaFlow 447280 Direct Fit California Catalytic Converter (3" ID/3" OD)

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> Source: [Standard Auto Part](www.standardautopart.com/products/magnaflow-chevrolet-avalanche-2500-catalytic-converter-carb-447280)
> Updated: 2026-06-13