# MagnaFlow 4651309 California Universal Catalytic Converter (3.00" ID/3.00" OD) for 2005-2006 Chevrolet Trailblazer Ext 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: 4651309
-   Product type: California Universal Catalytic Converter (3.00" ID/3.00" OD)
-   Designed for compatible vehicle applications listed on this page

### Vehicle Fitment

-   2005 Chevrolet Trailblazer Ext, Note: Ls, Lt; 4.2L; 3.00"; 3.00"
-   2006 Chevrolet Trailblazer Ext, Note: Ls, Lt; 4.2L; 3.00"; 3.00"
-   2005 GMC Envoy Xl, Note: Sle, Slt; 4.2L; 3.00"; 3.00"
-   2006 GMC Envoy Xl, Note: Sle, Slt; 4.2L; 3.00"; 3.00"
-   2005 GMC Envoy Xuv, Note: Sle, Slt; 4.2L; 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 4651309.

**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 Universal Catalytic Converter (3.00" ID/3.00" OD) for Chevrolet Trailblazer Ext
-   4651309 fitment
-   MagnaFlow California Universal Catalytic Converter (3.00" ID/3.00" OD)
-   2005 Chevrolet Trailblazer Ext California Universal Catalytic Converter (3.00" ID/3.00" OD)

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2005

Chevrolet

Trailblazer Ext

Ls, Lt; 4.2L; 3.00"; 3.00"

2006

Chevrolet

Trailblazer Ext

Ls, Lt; 4.2L; 3.00"; 3.00"

2005

GMC

Envoy Xl

Sle, Slt; 4.2L; 3.00"; 3.00"

2006

GMC

Envoy Xl

Sle, Slt; 4.2L; 3.00"; 3.00"

2005

GMC

Envoy Xuv

Sle, Slt; 4.2L; 3.00"; 3.00"

## Details

- **Price:** 1651.55 CAD
- **Vendor:** MagnaFlow
- **Type:** California Universal Catalytic Converter (3.00" ID/3.00" OD)
- **Tags:** 2005 Chevrolet Trailblazer Ext, 2005 GMC Envoy Xl, 2005 GMC Envoy Xuv, 2006 Chevrolet Trailblazer Ext, 2006 GMC Envoy Xl, 4651309, Auto Parts, Automotive, California Universal Catalytic Converter (3.00" ID/3.00" OD), Catalytic Converter, Direct Replacement, Exhaust Performance, Exhaust System, MagnaFlow, Magnaflow-4651309, Muffler, Performance Exhaust, Performance Parts, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1651.55 CAD | In stock |

## Images

- MagnaFlow 4651309 California Universal Catalytic Converter (3.00" ID/3.00" OD)

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/magnaflow-chevrolet-trailblazer-ext-catalytic-converter-carb-4651309)
> Updated: 2026-07-16