# MagnaFlow 99647HM Heavy Metal Catalytic Converter (2" ID/3" OD) for 1994-2005 Chevrolet Astro 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. Installation may require some cutting and welding.

### Key Features

-   Brand: MagnaFlow
-   Part number: 99647HM
-   Product type: Heavy Metal Catalytic Converter (2" ID/3" OD)
-   Designed for compatible vehicle applications listed on this page

### Vehicle Fitment

-   2000 Chevrolet Astro, Note: Base, Ls, Lt; 4.3L; 2.00"; 2.00"
-   2001 Chevrolet Astro, Note: Base, Ls, Lt; 4.3L; 2.00"; 2.00"
-   2002 Chevrolet Astro, Note: Base, Ls, Lt; 4.3L; 2.00"; 2.00"
-   2003 Chevrolet Astro, Note: Base, Ls, Lt; 4.3L; 2.00"; 2.00"
-   2004 Chevrolet Astro, Note: Base, Ls, Lt; 4.3L; 2.00"; 2.00"
-   2005 Chevrolet Astro, Note: Base, Ls, Lt; 4.3L; 2.00"; 2.00"
-   1994 GMC K1500, Note: Sierra Sl, Sierra Sle, Sierra Slt, Sierra Special; 4.3L; 2.00"; 2.00"
-   2000 GMC Safari, Note: Sl, Sle, Slt; 4.3L; 2.00"; 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 99647HM.

**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 Catalytic Converter (2" ID/3" OD) for Chevrolet Astro
-   99647HM fitment
-   MagnaFlow Heavy Metal Catalytic Converter (2" ID/3" OD)
-   1994 Chevrolet Astro Heavy Metal Catalytic Converter (2" ID/3" OD)

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2000

Chevrolet

Astro

Base, Ls, Lt; 4.3L; 2.00"; 2.00"

2001

Chevrolet

Astro

Base, Ls, Lt; 4.3L; 2.00"; 2.00"

2002

Chevrolet

Astro

Base, Ls, Lt; 4.3L; 2.00"; 2.00"

2003

Chevrolet

Astro

Base, Ls, Lt; 4.3L; 2.00"; 2.00"

2004

Chevrolet

Astro

Base, Ls, Lt; 4.3L; 2.00"; 2.00"

2005

Chevrolet

Astro

Base, Ls, Lt; 4.3L; 2.00"; 2.00"

1994

GMC

K1500

Sierra Sl, Sierra Sle, Sierra Slt, Sierra Special; 4.3L; 2.00"; 2.00"

2000

GMC

Safari

Sl, Sle, Slt; 4.3L; 2.00"; 2.00"

2001

GMC

Safari

Sl, Sle, Slt; 4.3L; 2.00"; 2.00"

2002

GMC

Safari

Sl, Sle, Slt; 4.3L; 2.00"; 2.00"

2003

GMC

Safari

Base, Sle, Slt; 4.3L; 2.00"; 2.00"

2004

GMC

Safari

Base, Sle, Slt; 4.3L; 2.00"; 2.00"

2005

GMC

Safari

Base, Sle, Slt; 4.3L; 2.00"; 2.00"

## Details

- **Price:** 407.45 CAD
- **Vendor:** MagnaFlow
- **Type:** Heavy Metal Catalytic Converter (2" ID/3" OD)
- **Tags:** 1994 GMC K1500, 2000 Chevrolet Astro, 2000 GMC Safari, 2001 Chevrolet Astro, 2001 GMC Safari, 2002 Chevrolet Astro, 2002 GMC Safari, 2003 Chevrolet Astro, 2003 GMC Safari, 2004 Chevrolet Astro, 2004 GMC Safari, 2005 Chevrolet Astro, 2005 GMC Safari, 99647HM, Auto Parts, Automotive, Catalytic Converter, Direct Replacement, Exhaust Performance, Exhaust System, Heavy Metal Catalytic Converter (2" ID/3" OD), MagnaFlow, Magnaflow-99647HM, Muffler, Performance Exhaust, Performance Parts, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 407.45 CAD | In stock |

## Images

- MagnaFlow 99647HM Heavy Metal Catalytic Converter (2" ID/3" OD)

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/magnaflow-chevrolet-astro-catalytic-converter-99647hm)
> Updated: 2026-07-16