# MagnaFlow 4451337 Universal California OBDII Catalytic Converter (2.5" ID/2" OD) for 1996-2001 Chevrolet Express 1500 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: 4451337
-   Product type: Universal California OBDII Catalytic Converter (2.5" ID/2" OD)
-   Designed for compatible vehicle applications listed on this page

### Vehicle Fitment

-   1996 Chevrolet Express 1500, Note: Base, Ls; 4.3L, 5.0L; 2.50"; 2.00"
-   1997 Chevrolet Express 1500, Note: Base, Ls; 4.3L, 5.0L; 2.50"; 2.00"
-   1998 Chevrolet Express 1500, Note: Base, Ls; 4.3L, 5.0L; 2.50"; 2.00"
-   1999 Chevrolet Express 1500, Note: Base, Ls; 5.0L; 2.50"; 2.00"
-   2000 Chevrolet Express 1500, Note: Base, Ls; 5.0L; 2.50"; 2.00"
-   1996 Chevrolet Express 2500, Note: Base, Ls; 4.3L, 5.0L; 2.50"; 2.00"
-   1997 Chevrolet Express 2500, Note: Base, Ls; 5.0L; 2.50"; 2.00"
-   1998 Chevrolet Express 2500, Note: Base, Ls; 5.0L; 2.50"; 2.00"

### 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 4451337.

**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 California OBDII Catalytic Converter (2.5" ID/2" OD) for Chevrolet Express 1500
-   4451337 fitment
-   MagnaFlow Universal California OBDII Catalytic Converter (2.5" ID/2" OD)
-   1996 Chevrolet Express 1500 Universal California OBDII Catalytic Converter (2.5" ID/2" OD)

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

1996

Chevrolet

Express 1500

Base, Ls; 4.3L, 5.0L; 2.50"; 2.00"

1997

Chevrolet

Express 1500

Base, Ls; 4.3L, 5.0L; 2.50"; 2.00"

1998

Chevrolet

Express 1500

Base, Ls; 4.3L, 5.0L; 2.50"; 2.00"

1999

Chevrolet

Express 1500

Base, Ls; 5.0L; 2.50"; 2.00"

2000

Chevrolet

Express 1500

Base, Ls; 5.0L; 2.50"; 2.00"

1996

Chevrolet

Express 2500

Base, Ls; 4.3L, 5.0L; 2.50"; 2.00"

1997

Chevrolet

Express 2500

Base, Ls; 5.0L; 2.50"; 2.00"

1998

Chevrolet

Express 2500

Base, Ls; 5.0L; 2.50"; 2.00"

1999

Chevrolet

Express 2500

Base, Ls; 5.0L; 2.50"; 2.00"

2000

Chevrolet

Express 2500

Base, Ls; 5.0L; 2.50"; 2.00"

1996

Dodge

B1500 Van

Base; 3.9L, 5.2L; 2.50"; 2.00"

1997

Dodge

B1500 Van

Base; 3.9L, 5.2L; 2.50"; 2.00"

1998

Dodge

B1500 Van

Base; 3.9L, 5.2L, 5.9L; 2.50"; 2.00"

1996

Dodge

B2500 Van

Base; 3.9L, 5.2L, 5.9L; 2.50"; 2.00"

1997

Dodge

B2500 Van

Base; 3.9L, 5.2L, 5.9L; 2.50"; 2.00"

1998

Dodge

B2500 Van

Base; 5.2L, 5.9L; 2.50"; 2.00"

1996

Dodge

B3500 Van

Base; 5.2L, 5.9L; 2.50"; 2.00"

1997

Dodge

B3500 Van

Base; 5.2L, 5.9L; 2.50"; 2.00"

1998

Dodge

B3500 Van

Base; 5.2L, 5.9L; 2.50"; 2.00"

1996

Dodge

Ram 1500

Base; 3.9L, 5.2L, 5.9L; 2.50"; 2.00"

1997

Dodge

Ram 1500

Laramie, Lt, Sport, Ss/T 5.9L, St, Ws; 3.9L, 5.2L, 5.9L; 2.50"; 2.00"

1998

Dodge

Ram 1500

Laramie, Sport, Ss/T 5.9L, St, Ws; 3.9L, 5.2L, 5.9L; 2.50"; 2.00"

1999

Dodge

Ram 1500

Laramie, Sport, St, Ws; 3.9L, 5.2L, 5.9L; 2.50"; 2.00"

2000

Dodge

Ram 1500

Laramie, Sport, St, Ws; 3.9L, 5.2L, 5.9L; 2.50"; 2.00"

2001

Dodge

Ram 1500

Laramie, Sport, St; 5.2L, 5.9L; 2.50"; 2.00"

1999

Dodge

Ram 1500 Van

Base; 3.9L, 5.2L, 5.9L; 2.50"; 2.00"

2000

Dodge

Ram 1500 Van

Base; 3.9L, 5.2L, 5.9L; 2.50"; 2.00"

2001

Dodge

Ram 1500 Van

Base; 3.9L, 5.2L, 5.9L; 2.50"; 2.00"

1996

Dodge

Ram 2500

Base; 5.2L, 5.9L; 2.50"; 2.00"

1997

Dodge

Ram 2500

Base; 5.9L; 2.50"; 2.00"

1998

Dodge

Ram 2500

Base; 5.9L; 2.50"; 2.00"

1999

Dodge

Ram 2500

Base; 5.9L; 2.50"; 2.00"

2000

Dodge

Ram 2500

Base; 5.9L; 2.50"; 2.00"

2001

Dodge

Ram 2500

Base; 5.9L; 2.50"; 2.00"

1999

Dodge

Ram 2500 Van

Base; 5.2L, 5.9L; 2.50"; 2.00"

2000

Dodge

Ram 2500 Van

Base; 5.2L, 5.9L; 2.50"; 2.00"

2001

Dodge

Ram 2500 Van

Base; 5.2L, 5.9L; 2.50"; 2.00"

1997

Dodge

Ram 3500

Base; 5.9L; 2.50"; 2.00"

1998

Dodge

Ram 3500

Base; 5.9L; 2.50"; 2.00"

1999

Dodge

Ram 3500

Base; 5.9L; 2.50"; 2.00"

2000

Dodge

Ram 3500

Base; 5.9L; 2.50"; 2.00"

2001

Dodge

Ram 3500

Base; 5.9L; 2.50"; 2.00"

1999

Dodge

Ram 3500 Van

Base; 5.2L, 5.9L; 2.50"; 2.00"

2000

Dodge

Ram 3500 Van

Base; 5.2L, 5.9L; 2.50"; 2.00"

2001

Dodge

Ram 3500 Van

Base; 5.2L, 5.9L; 2.50"; 2.00"

1996

GMC

Savana 1500

Base, Sle; 4.3L, 5.0L; 2.50"; 2.00"

1997

GMC

Savana 1500

Base, Sle; 4.3L, 5.0L; 2.50"; 2.00"

1998

GMC

Savana 1500

Base, Sle; 4.3L, 5.0L; 2.50"; 2.00"

1999

GMC

Savana 1500

Base, Sle; 4.3L, 5.0L; 2.50"; 2.00"

2000

GMC

Savana 1500

Base, Sle; 5.0L; 2.50"; 2.00"

1996

GMC

Savana 2500

Base, Sle; 4.3L, 5.0L; 2.50"; 2.00"

1997

GMC

Savana 2500

Base, Sle; 4.3L, 5.0L; 2.50"; 2.00"

1998

GMC

Savana 2500

Base, Sle; 4.3L, 5.0L; 2.50"; 2.00"

1999

GMC

Savana 2500

Base, Sle; 4.3L, 5.0L; 2.50"; 2.00"

2000

GMC

Savana 2500

Base, Sle; 5.0L; 2.50"; 2.00"

## Details

- **Price:** 1139.79 CAD
- **Vendor:** MagnaFlow
- **Type:** Universal California OBDII Catalytic Converter (2.5" ID/2" OD)
- **Tags:** 1996 Chevrolet Express 1500, 1996 Chevrolet Express 2500, 1996 Dodge B1500 Van, 1996 Dodge B2500 Van, 1996 Dodge B3500 Van, 1996 Dodge Ram 1500, 1996 Dodge Ram 2500, 1997 Chevrolet Express 1500, 1997 Chevrolet Express 2500, 1997 Dodge B1500 Van, 1997 Dodge B2500 Van, 1997 Dodge B3500 Van, 1997 Dodge Ram 1500, 1997 Dodge Ram 2500, 1998 Chevrolet Express 1500, 1998 Chevrolet Express 2500, 1998 Dodge B1500 Van, 1998 Dodge B2500 Van, 1998 Dodge B3500 Van, 1998 Dodge Ram 1500, 1998 Dodge Ram 2500, 1999 Chevrolet Express 1500, 1999 Chevrolet Express 2500, 1999 Dodge Ram 1500, 1999 Dodge Ram 1500 Van, 1999 Dodge Ram 2500, 1999 Dodge Ram 2500 Van, 2000 Chevrolet Express 1500, 2000 Chevrolet Express 2500, 2000 Dodge Ram 1500, 2000 Dodge Ram 1500 Van, 2000 Dodge Ram 2500, 2001 Dodge Ram 1500, 2001 Dodge Ram 1500 Van, 2001 Dodge Ram 2500, 4451337, Auto Parts, Automotive, Catalytic Converter, Direct Replacement, Exhaust Performance, Exhaust System, MagnaFlow, Magnaflow-4451337, Muffler, Performance Exhaust, Performance Parts, Universal California OBDII Catalytic Converter (2.5" ID/2" OD), Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1139.79 CAD | In stock |

## Images

- MagnaFlow 4451337 Universal California OBDII Catalytic Converter (2.5" ID/2" OD)

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> Source: [Standard Auto Part](www.standardautopart.com/products/magnaflow-chevrolet-express-1500-catalytic-converter-carb-4451337)
> Updated: 2026-06-13
