# MagnaFlow 4551020 California Direct Fit Catalytic Converter for 2001-2004 Acura Mdx 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: 4551020
-   Product type: California Direct Fit Catalytic Converter
-   Designed for compatible vehicle applications listed on this page

### Vehicle Fitment

-   2001 Acura Mdx, Note: Base, Touring; 3.5L
-   2002 Acura Mdx, Note: Base, Touring; 3.5L
-   2003 Honda Pilot, Note: Ex, Lx; 3.5L
-   2004 Honda Pilot, Note: Ex, Ex-L, Lx; 3.5L

### 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 4551020.

**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 Acura Mdx
-   4551020 fitment
-   MagnaFlow California Direct Fit Catalytic Converter
-   2001 Acura Mdx California Direct Fit Catalytic Converter

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2001

Acura

Mdx

Base, Touring; 3.5L

2002

Acura

Mdx

Base, Touring; 3.5L

2003

Honda

Pilot

Ex, Lx; 3.5L

2004

Honda

Pilot

Ex, Ex-L, Lx; 3.5L

## Details

- **Price:** 1713.9 CAD
- **Vendor:** MagnaFlow
- **Type:** California Direct Fit Catalytic Converter
- **Tags:** 2001 Acura Mdx, 2002 Acura Mdx, 2003 Honda Pilot, 2004 Honda Pilot, 4551020, Auto Parts, Automotive, California Direct Fit Catalytic Converter, Catalytic Converter, Direct Replacement, Exhaust Performance, Exhaust System, MagnaFlow, Magnaflow-4551020, Muffler, Performance Exhaust, Performance Parts, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1713.90 CAD | In stock |

## Images

- MagnaFlow 4551020 California Direct Fit Catalytic Converter

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/magnaflow-acura-mdx-catalytic-converter-carb-4551020)
> Updated: 2026-07-16