# MagnaFlow 5551221 Direct-Fit Catalytic Converter 5551221 for 2006-2007 Chevy Trailblazer, GMC Envoy

### Performance Overview

Keep your check engine light off and your emissions in check with the MagnaFlow Direct-Fit Catalytic Converter 5551221 . Designed specifically for the 2006-2007 Chevrolet Trailblazer , 2006-2007 GMC Envoy , and other compatible vehicles, this converter is the perfect upgrade for those who want to maintain OE performance while ensuring compliance with California Air Resource Board (CARB) regulations.

### Key Features

-   Brand: MagnaFlow
-   Part number: 5551221
-   Product type: Direct-Fit Catalytic Converter 5551221 for 2006-2007 Chevy Trailblazer, GMC Envoy
-   Designed for compatible vehicle applications listed on this page

### Vehicle Fitment

-   Buick Rainier 2006 - 2007 Cxl
-   Chevrolet Trailblazer 2006 - 2007 Lt
-   Chevrolet Trailblazer 2006 - 2007 Ls
-   Gmc Envoy 2006 - 2007 Slt
-   Gmc Envoy 2006 - 2007 Sle
-   Isuzu Ascender 2006 Ls
-   Isuzu Ascender 2006 Base
-   Isuzu Ascender 2007 S

### 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 5551221.

**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

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-   universal MagnaFlow Direct-Fit Catalytic Converter 5551221 for 2006-2007 Chevy Trailblazer, GMC Envoy

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

Buick Rainier 2006 - 2007 Cxl

Chevrolet Trailblazer 2006 - 2007 Lt

Chevrolet Trailblazer 2006 - 2007 Ls

Gmc Envoy 2006 - 2007 Slt

Gmc Envoy 2006 - 2007 Sle

Isuzu Ascender 2006 Ls

Isuzu Ascender 2006 Base

Isuzu Ascender 2007 S

## Details

- **Price:** 2640.22 CAD
- **Vendor:** MagnaFlow
- **Type:** Direct-Fit Catalytic Converter 5551221 for 2006-2007 Chevy Trailblazer, GMC Envoy
- **Tags:** 5551221, Auto Parts, Automotive, Catalytic Converter, Direct Replacement, Direct-Fit Catalytic Converter 5551221 for 2006-2007 Chevy Trailblazer, Exhaust Performance, Exhaust System, GMC Envoy, MagnaFlow, Muffler, Performance Exhaust, Performance Parts, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 2640.22 CAD | In stock |

## Images

- MagnaFlow 5551221 Direct-Fit Catalytic Converter 5551221 for 2006-2007 Chevy Trailblazer, GMC Envoy

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> Source: [Standard Auto Part](www.standardautopart.com/products/magnaflow-catalytic-converter-universal-5551221)
> Updated: 2026-06-13