# MagnaFlow 5451650 California Direct Fit Catalytic Converter for 2007-2009 Buick Rainier 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: 5451650
-   Product type: California Direct Fit Catalytic Converter
-   Designed for compatible vehicle applications listed on this page

### Vehicle Fitment

-   2007 Buick Rainier, Note: Cxl; 5.3L
-   2007 Chevrolet Trailblazer, Note: Ss; 6.0L
-   2008 Chevrolet Trailblazer, Note: Ss; 6.0L
-   2009 Chevrolet Trailblazer, Note: Ss; 6.0L
-   2007 GMC Envoy, Note: Denali; 5.3L

### 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 5451650.

**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 Direct Fit Catalytic Converter for Buick Rainier
-   5451650 fitment
-   MagnaFlow California Direct Fit Catalytic Converter
-   2007 Buick Rainier California Direct Fit Catalytic Converter

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2007

Buick

Rainier

Cxl; 5.3L

2007

Chevrolet

Trailblazer

Ss; 6.0L

2008

Chevrolet

Trailblazer

Ss; 6.0L

2009

Chevrolet

Trailblazer

Ss; 6.0L

2007

GMC

Envoy

Denali; 5.3L

## Details

- **Price:** 4689.3 CAD
- **Vendor:** MagnaFlow
- **Type:** California Direct Fit Catalytic Converter
- **Tags:** 2007 Buick Rainier, 2007 Chevrolet Trailblazer, 2007 GMC Envoy, 2008 Chevrolet Trailblazer, 2009 Chevrolet Trailblazer, 5451650, Auto Parts, Automotive, California Direct Fit Catalytic Converter, Catalytic Converter, Direct Replacement, Exhaust Performance, Exhaust System, MagnaFlow, Magnaflow-5451650, Muffler, Performance Exhaust, Performance Parts, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 4689.30 CAD | In stock |

## Images

- MagnaFlow 5451650 California Direct Fit Catalytic Converter

---

> Source: [Standard Auto Part](https://www.standardautopart.com/products/magnaflow-buick-rainier-catalytic-converter-carb-5451650)
> Updated: 2026-07-16