# MagnaFlow 3322431 California Direct Fit Catalytic Converter (2.5" ID/2.5" OD) for 1977-1980 Buick Century 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: 3322431
-   Product type: California Direct Fit Catalytic Converter (2.5" ID/2.5" OD)
-   Designed for compatible vehicle applications listed on this page

### Vehicle Fitment

-   1978 Buick Century, Note: Custom, Limited, Special, Sport; 5.0L, 5.7L; 2.50"; 2.50"
-   1979 Buick Century, Note: Custom, Limited, Special; 5.0L, 5.7L; 2.50"; 2.50"
-   1977 Buick Electra, Note: 225, Limited; 5.7L, 6.6L; 2.50"; 2.50"
-   1978 Buick Electra, Note: 225, Limited, Park Avenue; 5.7L, 6.6L; 2.50"; 2.50"
-   1979 Buick Electra, Note: 225, Limited, Park Avenue; 5.7L, 6.6L; 2.50"; 2.50"
-   1980 Buick Electra, Note: Estate Wagon, Limited, Park Avenue; 5.7L; 2.50"; 2.50"
-   1980 Buick Estate Wagon, Note: Base; 5.7L; 2.50"; 2.50"
-   1977 Buick Lesabre, Note: Base, Custom, Custom Sport; 5.7L, 6.6L; 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 3322431.

**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 Buick Century
-   3322431 fitment
-   MagnaFlow California Direct Fit Catalytic Converter (2.5" ID/2.5" OD)
-   1977 Buick Century California Direct Fit Catalytic Converter (2.5" ID/2.5" OD)

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

1978

Buick

Century

Custom, Limited, Special, Sport; 5.0L, 5.7L; 2.50"; 2.50"

1979

Buick

Century

Custom, Limited, Special; 5.0L, 5.7L; 2.50"; 2.50"

1977

Buick

Electra

225, Limited; 5.7L, 6.6L; 2.50"; 2.50"

1978

Buick

Electra

225, Limited, Park Avenue; 5.7L, 6.6L; 2.50"; 2.50"

1979

Buick

Electra

225, Limited, Park Avenue; 5.7L, 6.6L; 2.50"; 2.50"

1980

Buick

Electra

Estate Wagon, Limited, Park Avenue; 5.7L; 2.50"; 2.50"

1980

Buick

Estate Wagon

Base; 5.7L; 2.50"; 2.50"

1977

Buick

Lesabre

Base, Custom, Custom Sport; 5.7L, 6.6L; 2.50"; 2.50"

1978

Buick

Lesabre

Base, Custom; 5.0L, 5.7L, 6.6L; 2.50"; 2.50"

1979

Buick

Lesabre

Base, Limited; 5.7L; 2.50"; 2.50"

1980

Buick

Lesabre

Base, Limited; 5.7L; 2.50"; 2.50"

1978

Buick

Regal

Base, Limited; 5.0L; 2.50"; 2.50"

1979

Buick

Regal

Base, Limited; 5.0L; 2.50"; 2.50"

1977

Buick

Riviera

Base; 5.7L, 6.6L; 2.50"; 2.50"

1978

Buick

Riviera

Base, Lxxv Anniversary Edition; 5.7L, 6.6L; 2.50"; 2.50"

1979

Buick

Riviera

Base, S; 5.7L; 2.50"; 2.50"

1977

Cadillac

Deville

Base, D'Elegance; 7.0L; 2.50"; 2.50"

1978

Cadillac

Deville

Base, Cabriolet, D'Elegance, Phaeton; 7.0L; 2.50"; 2.50"

1979

Cadillac

Deville

Base, Cabriolet, D'Elegance, Phaeton; 7.0L; 2.50"; 2.50"

1980

Cadillac

Deville

Base, Cabriolet, D'Elegance; 6.0L; 2.50"; 2.50"

1979

Cadillac

Eldorado

Base, Biarritz, Cabriolet; 5.7L; 2.50"; 2.50"

1980

Cadillac

Eldorado

Base, Biarritz, Cabriolet; 5.7L; 2.50"; 2.50"

1978

Cadillac

Fleetwood

Base, Brougham, Brougham D'Elegance, Formal; 7.0L; 2.50"; 2.50"

1979

Cadillac

Fleetwood

Base, Brougham, Brougham D'Elegance, Formal; 7.0L; 2.50"; 2.50"

1980

Cadillac

Fleetwood

Base, Brougham, Brougham D'Elegance, Formal; 6.0L; 2.50"; 2.50"

1977

Cadillac

Seville

Base, Opera; 5.7L; 2.50"; 2.50"

1978

Cadillac

Seville

Base, Elegante, Opera; 5.7L; 2.50"; 2.50"

1979

Cadillac

Seville

Base, Elegante; 5.7L; 2.50"; 2.50"

1980

Cadillac

Seville

Base, Elegante; 5.7L, 6.0L; 2.50"; 2.50"

1980

Chevrolet

Camaro

Base, Berlinetta, Rally Sport, Z28; 5.0L, 5.7L; 2.50"; 2.50"

1977

Chevrolet

Caprice

Classic, Classic Estate, Classic Landau; 5.0L, 5.7L; 2.50"; 2.50"

1978

Chevrolet

Caprice

Classic, Classic Estate, Classic Landau; 5.0L, 5.7L; 2.50"; 2.50"

1979

Chevrolet

Caprice

Classic, Classic Landau, Classic Sport; 5.0L, 5.7L; 2.50"; 2.50"

1980

Chevrolet

Caprice

Classic, Classic Landau, Classic Sport; 5.0L, 5.7L; 2.50"; 2.50"

1978

Chevrolet

El Camino

Base, Conquista, Ss; 5.7L; 2.50"; 2.50"

1979

Chevrolet

El Camino

Base, Royal Knight, Ss; 5.0L, 5.7L; 2.50"; 2.50"

1977

Chevrolet

Impala

Base, Custom, Landau; 5.0L, 5.7L; 2.50"; 2.50"

1978

Chevrolet

Impala

Base, Landau; 5.0L, 5.7L; 2.50"; 2.50"

1979

Chevrolet

Impala

Base, Landau, Sport; 5.0L, 5.7L; 2.50"; 2.50"

1980

Chevrolet

Impala

Base, Sport; 5.0L, 5.7L; 2.50"; 2.50"

1978

Chevrolet

Malibu

Base, Classic, Classic Estate, Classic Landau; 5.7L; 2.50"; 2.50"

1979

Chevrolet

Malibu

Base, Classic, Classic Estate, Classic Landau, Classic Sport, Estate, Landau, Police, Sport; 5.0L, 5.7L; 2.50"; 2.50"

1980

Chevrolet

Malibu

Base, Classic, Classic Estate, Classic Landau, Classic Sport, Estate, Sport; 5.0L; 2.50"; 2.50"

1979

Chevrolet

Monte Carlo

Base, Landau; 5.0L; 2.50"; 2.50"

1980

Chevrolet

Monte Carlo

Landau, Sport; 5.0L; 2.50"; 2.50"

1978

GMC

Caballero

Base, Diablo, Laredo; 5.7L; 2.50"; 2.50"

1979

GMC

Caballero

Base, Diablo, Laredo; 5.0L, 5.7L; 2.50"; 2.50"

1977

Oldsmobile

98

Luxury, Regency; 5.7L, 6.6L; 2.50"; 2.50"

1978

Oldsmobile

98

Luxury, Regency; 5.7L, 6.6L; 2.50"; 2.50"

1979

Oldsmobile

98

Luxury, Regency; 5.7L, 6.6L; 2.50"; 2.50"

1977

Oldsmobile

Custom Cruiser

Base; 5.7L, 6.6L; 2.50"; 2.50"

1978

Oldsmobile

Custom Cruiser

Base; 5.7L, 6.6L; 2.50"; 2.50"

1979

Oldsmobile

Custom Cruiser

Base; 5.7L, 6.6L; 2.50"; 2.50"

1978

Oldsmobile

Cutlass

Vista Cruiser; 5.0L, 5.7L; 2.50"; 2.50"

1979

Oldsmobile

Cutlass

Vista Cruiser, Vista Cruiser Brougham; 5.0L, 5.7L; 2.50"; 2.50"

1980

Oldsmobile

Cutlass

Base, Brougham, Ls; 5.0L; 2.50"; 2.50"

1978

Oldsmobile

Cutlass Calais

Base; 5.0L; 2.50"; 2.50"

1979

Oldsmobile

Cutlass Calais

Base; 5.0L, 5.7L; 2.50"; 2.50"

1980

Oldsmobile

Cutlass Calais

Base; 5.0L; 2.50"; 2.50"

1978

Oldsmobile

Cutlass Salon

442, Base, Brougham; 5.0L; 2.50"; 2.50"

1979

Oldsmobile

Cutlass Salon

442, Base, Brougham, Hurst; 5.0L, 5.7L; 2.50"; 2.50"

1980

Oldsmobile

Cutlass Salon

Base, Brougham; 5.0L; 2.50"; 2.50"

1978

Oldsmobile

Cutlass Supreme

Base, Brougham; 5.0L, 5.7L; 2.50"; 2.50"

1979

Oldsmobile

Cutlass Supreme

Base, Brougham; 5.0L, 5.7L; 2.50"; 2.50"

1977

Oldsmobile

Delta 88

Base, Royale; 5.7L, 6.6L; 2.50"; 2.50"

1978

Oldsmobile

Delta 88

Base, Royale; 5.7L, 6.6L; 2.50"; 2.50"

1979

Oldsmobile

Delta 88

Base, Royale; 5.7L, 6.6L; 2.50"; 2.50"

1977

Oldsmobile

Toronado

Brougham, Xs, Xsr; 6.6L; 2.50"; 2.50"

1978

Oldsmobile

Toronado

Brougham, Xsr; 6.6L; 2.50"; 2.50"

1979

Oldsmobile

Toronado

Brougham, Xsr; 5.7L; 2.50"; 2.50"

## Details

- **Price:** 1406.5 CAD
- **Vendor:** MagnaFlow
- **Type:** California Direct Fit Catalytic Converter (2.5" ID/2.5" OD)
- **Tags:** 1977 Buick Electra, 1977 Buick Lesabre, 1977 Buick Riviera, 1977 Cadillac Deville, 1977 Cadillac Seville, 1977 Chevrolet Caprice, 1978 Buick Century, 1978 Buick Electra, 1978 Buick Lesabre, 1978 Buick Regal, 1978 Buick Riviera, 1978 Cadillac Deville, 1978 Cadillac Fleetwood, 1978 Cadillac Seville, 1978 Chevrolet Caprice, 1978 Chevrolet El Camino, 1979 Buick Century, 1979 Buick Electra, 1979 Buick Lesabre, 1979 Buick Regal, 1979 Buick Riviera, 1979 Cadillac Deville, 1979 Cadillac Eldorado, 1979 Cadillac Fleetwood, 1979 Cadillac Seville, 1979 Chevrolet Caprice, 1980 Buick Electra, 1980 Buick Estate Wagon, 1980 Buick Lesabre, 1980 Cadillac Deville, 1980 Cadillac Eldorado, 1980 Cadillac Fleetwood, 1980 Cadillac Seville, 1980 Chevrolet Camaro, 1980 Chevrolet Caprice, 3322431, Auto Parts, Automotive, California Direct Fit Catalytic Converter (2.5" ID/2.5" OD), Catalytic Converter, Direct Replacement, Exhaust Performance, Exhaust System, MagnaFlow, Magnaflow-3322431, Muffler, Performance Exhaust, Performance Parts, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1406.50 CAD | In stock |

## Images

- MagnaFlow 3322431 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-buick-century-catalytic-converter-carb-3322431)
> Updated: 2026-07-16
