# MagnaFlow 5421010 California Direct Fit Catalytic Converter for 2007-2010 Lexus Gs430 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: 5421010
-   Product type: California Direct Fit Catalytic Converter
-   Designed for compatible vehicle applications listed on this page

### Vehicle Fitment

-   2007 Lexus Gs430, Note: Base; 4.3L
-   2007 Lexus Sc430, Note: Base; 4.3L
-   2008 Lexus Sc430, Note: Base; 4.3L
-   2009 Lexus Sc430, Note: Base; 4.3L
-   2010 Lexus Sc430, Note: Base; 4.3L

### 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 5421010.

**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 Lexus Gs430
-   5421010 fitment
-   MagnaFlow California Direct Fit Catalytic Converter
-   2007 Lexus Gs430 California Direct Fit Catalytic Converter

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

2007

Lexus

Gs430

Base; 4.3L

2007

Lexus

Sc430

Base; 4.3L

2008

Lexus

Sc430

Base; 4.3L

2009

Lexus

Sc430

Base; 4.3L

2010

Lexus

Sc430

Base; 4.3L

## Details

- **Price:** 355.45 CAD
- **Vendor:** MagnaFlow
- **Type:** California Direct Fit Catalytic Converter
- **Tags:** 2007 Lexus Gs430, 2007 Lexus Sc430, 2008 Lexus Sc430, 2009 Lexus Sc430, 2010 Lexus Sc430, 5421010, Auto Parts, Automotive, California Direct Fit Catalytic Converter, Catalytic Converter, Direct Replacement, Exhaust Performance, Exhaust System, MagnaFlow, Magnaflow-5421010, Muffler, Performance Exhaust, Performance Parts, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 355.45 CAD | In stock |

## Images

- MagnaFlow 5421010 California Direct Fit Catalytic Converter

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> Source: [Standard Auto Part](www.standardautopart.com/products/magnaflow-lexus-gs430-catalytic-converter-carb-5421010)
> Updated: 2026-06-13