# MagnaFlow 4481521 California Direct Fit Catalytic Converter (2.5" ID/ 2.5" OD) for 1998-1999 Chevrolet Lumina 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: 4481521
-   Product type: California Direct Fit Catalytic Converter (2.5" ID/ 2.5" OD)
-   Designed for compatible vehicle applications listed on this page

### Vehicle Fitment

-   1998 Chevrolet Lumina, Note: Ls, Ltz; 3.8L; 2.50"; 2.50"
-   1999 Chevrolet Lumina, Note: Base, Ls, Ltz; 3.8L; 2.50"; 2.50"
-   1998 Chevrolet Monte Carlo, Note: Z34; 3.8L; 2.50"; 2.50"
-   1999 Chevrolet Monte Carlo, Note: Indianapolis 500 Pace Car, Ls, Z34; 3.8L; 2.50"; 2.50"

### 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 4481521.

**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 (2.5" ID/ 2.5" OD) for Chevrolet Lumina
-   4481521 fitment
-   MagnaFlow California Direct Fit Catalytic Converter (2.5" ID/ 2.5" OD)
-   1998 Chevrolet Lumina California Direct Fit Catalytic Converter (2.5" ID/ 2.5" OD)

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

1998

Chevrolet

Lumina

Ls, Ltz; 3.8L; 2.50"; 2.50"

1999

Chevrolet

Lumina

Base, Ls, Ltz; 3.8L; 2.50"; 2.50"

1998

Chevrolet

Monte Carlo

Z34; 3.8L; 2.50"; 2.50"

1999

Chevrolet

Monte Carlo

Indianapolis 500 Pace Car, Ls, Z34; 3.8L; 2.50"; 2.50"

## Details

- **Price:** 2173.55 CAD
- **Vendor:** MagnaFlow
- **Type:** California Direct Fit Catalytic Converter (2.5" ID/ 2.5" OD)
- **Tags:** 1998 Chevrolet Lumina, 1998 Chevrolet Monte Carlo, 1999 Chevrolet Lumina, 1999 Chevrolet Monte Carlo, 4481521, Auto Parts, Automotive, California Direct Fit Catalytic Converter (2.5" ID/ 2.5" OD), Catalytic Converter, Direct Replacement, Exhaust Performance, Exhaust System, MagnaFlow, Magnaflow-4481521, Muffler, Performance Exhaust, Performance Parts, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 2173.55 CAD | In stock |

## Images

- MagnaFlow 4481521 California Direct Fit Catalytic Converter (2.5" ID/ 2.5" OD)

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/magnaflow-chevrolet-lumina-catalytic-converter-carb-4481521)
> Updated: 2026-07-16