# MagnaFlow 3322456 California Direct Fit Catalytic Converter (2.5" ID/2.5" OD) for 1982-1993 Buick Commercial Chassis 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: 3322456
-   Product type: California Direct Fit Catalytic Converter (2.5" ID/2.5" OD)
-   Designed for compatible vehicle applications listed on this page

### Vehicle Fitment

-   1991 Buick Commercial Chassis, Note: Base; 5.0L; 2.50"; 2.50"
-   1992 Buick Commercial Chassis, Note: Base; 5.7L; 2.50"; 2.50"
-   1993 Buick Commercial Chassis, Note: Base; 5.7L; 2.50"; 2.50"
-   1991 Buick Roadmaster, Note: Estate Wagon; 5.0L; 2.50"; 2.50"
-   1992 Buick Roadmaster, Note: Base, Estate Wagon, Limited; 5.7L; 2.50"; 2.50"
-   1993 Buick Roadmaster, Note: Base, Estate Wagon, Limited; 5.7L; 2.50"; 2.50"
-   1990 Cadillac Brougham, Note: Base, D'Elegance; 5.7L; 2.50"; 2.50"
-   1991 Cadillac Brougham, Note: Base, D'Elegance; 5.0L, 5.7L; 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 3322456.

**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 Commercial Chassis
-   3322456 fitment
-   MagnaFlow California Direct Fit Catalytic Converter (2.5" ID/2.5" OD)
-   1982 Buick Commercial Chassis California Direct Fit Catalytic Converter (2.5" ID/2.5" OD)

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

1991

Buick

Commercial Chassis

Base; 5.0L; 2.50"; 2.50"

1992

Buick

Commercial Chassis

Base; 5.7L; 2.50"; 2.50"

1993

Buick

Commercial Chassis

Base; 5.7L; 2.50"; 2.50"

1991

Buick

Roadmaster

Estate Wagon; 5.0L; 2.50"; 2.50"

1992

Buick

Roadmaster

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

1993

Buick

Roadmaster

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

1990

Cadillac

Brougham

Base, D'Elegance; 5.7L; 2.50"; 2.50"

1991

Cadillac

Brougham

Base, D'Elegance; 5.0L, 5.7L; 2.50"; 2.50"

1992

Cadillac

Brougham

Base, D'Elegance; 5.0L, 5.7L; 2.50"; 2.50"

1992

Cadillac

Commercial Chassis

Brougham; 5.7L; 2.50"; 2.50"

1993

Cadillac

Commercial Chassis

Brougham; 5.7L; 2.50"; 2.50"

1993

Cadillac

Fleetwood

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

1982

Chevrolet

Camaro

Berlinetta, Sport, Z28, Z28 Indianapolis 500 Pace Car; 5.0L; 2.50"; 2.50"

1983

Chevrolet

Camaro

Berlinetta, Sport, Z28; 2.8L, 5.0L; 2.50"; 2.50"

1984

Chevrolet

Camaro

Berlinetta, Sport, Z28; 2.8L, 5.0L; 2.50"; 2.50"

1985

Chevrolet

Camaro

Berlinetta, Iroc-Z, Sport, Z28; 2.8L, 5.0L; 2.50"; 2.50"

1986

Chevrolet

Camaro

Berlinetta, Iroc-Z, Sport, Z28; 2.8L, 5.0L; 2.50"; 2.50"

1987

Chevrolet

Camaro

Iroc-Z, Lt, Sport, Z28; 2.8L, 5.0L; 2.50"; 2.50"

1988

Chevrolet

Camaro

Base, Iroc-Z, Z28; 2.8L, 5.0L; 2.50"; 2.50"

1989

Chevrolet

Camaro

Iroc-Z, Rs, Z28; 2.8L, 5.0L; 2.50"; 2.50"

1990

Chevrolet

Camaro

Iroc-Z, Rs, Z28; 3.1L, 5.0L; 2.50"; 2.50"

1991

Chevrolet

Camaro

Rs, Z28; 3.1L, 5.0L; 2.50"; 2.50"

1992

Chevrolet

Camaro

Rs, Rs Heritage Edition, Z28, Z28 Heritage Edition; 3.1L, 5.0L; 2.50"; 2.50"

1983

Chevrolet

Caprice

Classic; 3.8L, 5.0L; 2.50"; 2.50"

1984

Chevrolet

Caprice

Classic; 3.8L, 5.0L; 2.50"; 2.50"

1985

Chevrolet

Caprice

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

1986

Chevrolet

Caprice

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

1987

Chevrolet

Caprice

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

1988

Chevrolet

Caprice

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

1989

Chevrolet

Caprice

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

1990

Chevrolet

Caprice

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

1991

Chevrolet

Caprice

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

1992

Chevrolet

Caprice

Base, Classic Ltz, Classic; 4.3L, 5.0L, 5.7L; 2.50"; 2.50"

1993

Chevrolet

Caprice

Classic Ls, Classic Ltz, Classic; 4.3L, 5.0L, 5.7L; 2.50"; 2.50"

1983

Chevrolet

El Camino

Base, Conquista, Ss; 3.8L, 5.0L; 2.50"; 2.50"

1984

Chevrolet

El Camino

Base, Conquista, Ss; 3.8L, 5.0L; 2.50"; 2.50"

1985

Chevrolet

El Camino

Base, Conquista, Ss; 5.0L; 2.50"; 2.50"

1986

Chevrolet

El Camino

Base, Conquista, Ss; 5.0L; 2.50"; 2.50"

1987

Chevrolet

El Camino

Base, Ss; 5.0L; 2.50"; 2.50"

1983

Chevrolet

Impala

Base; 3.8L, 5.0L, 5.7L; 2.50"; 2.50"

1984

Chevrolet

Impala

Base; 3.8L, 5.0L, 5.7L; 2.50"; 2.50"

1985

Chevrolet

Impala

Base; 4.3L, 5.0L, 5.7L; 2.50"; 2.50"

1983

Chevrolet

Malibu

Classic; 3.8L, 5.0L; 2.50"; 2.50"

1983

Chevrolet

Monte Carlo

Base, Cl, Ss; 3.8L, 5.0L; 2.50"; 2.50"

1984

Chevrolet

Monte Carlo

Base, Ss; 3.8L, 5.0L; 2.50"; 2.50"

1985

Chevrolet

Monte Carlo

Base, Ss; 5.0L; 2.50"; 2.50"

1986

Chevrolet

Monte Carlo

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

1987

Chevrolet

Monte Carlo

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

1988

Chevrolet

Monte Carlo

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

1983

GMC

Caballero

Amarillo, Base, Diablo; 3.8L, 5.0L; 2.50"; 2.50"

1984

GMC

Caballero

Amarillo, Base, Diablo; 3.8L, 5.0L; 2.50"; 2.50"

1985

GMC

Caballero

Amarillo, Base, Diablo; 5.0L; 2.50"; 2.50"

1986

GMC

Caballero

Amarillo, Base, Diablo; 5.0L; 2.50"; 2.50"

1987

GMC

Caballero

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

1991

Oldsmobile

Custom Cruiser

Base; 5.0L; 2.50"; 2.50"

1992

Oldsmobile

Custom Cruiser

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

1984

Pontiac

Bonneville

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

1985

Pontiac

Bonneville

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

1986

Pontiac

Bonneville

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

1982

Pontiac

Firebird

Base, S/E, Trans Am; 5.0L; 2.50"; 2.50"

1983

Pontiac

Firebird

Base, S/E, Trans Am; 2.8L, 5.0L; 2.50"; 2.50"

1984

Pontiac

Firebird

Base, S/E, Trans Am; 2.8L, 5.0L; 2.50"; 2.50"

1985

Pontiac

Firebird

Base, S/E, Trans Am; 2.8L, 5.0L; 2.50"; 2.50"

1986

Pontiac

Firebird

Base, S/E, Trans Am; 2.8L, 5.0L; 2.50"; 2.50"

1987

Pontiac

Firebird

Base, Trans Am; 2.8L, 5.0L; 2.50"; 2.50"

1988

Pontiac

Firebird

Base, Trans Am; 2.8L, 5.0L; 2.50"; 2.50"

1989

Pontiac

Firebird

Base, Formula, Trans Am, Trans Am Gta; 2.8L, 5.0L; 2.50"; 2.50"

1990

Pontiac

Firebird

Base, Formula, Trans Am, Trans Am Gta; 3.1L, 5.0L; 2.50"; 2.50"

1991

Pontiac

Firebird

Base, Formula, Trans Am, Trans Am Gta; 3.1L, 5.0L; 2.50"; 2.50"

1992

Pontiac

Firebird

Base, Formula, Trans Am, Trans Am Gta; 3.1L, 5.0L; 2.50"; 2.50"

## Details

- **Price:** 1644.3 CAD
- **Vendor:** MagnaFlow
- **Type:** California Direct Fit Catalytic Converter (2.5" ID/2.5" OD)
- **Tags:** 1982 Chevrolet Camaro, 1983 Chevrolet Camaro, 1983 Chevrolet Caprice, 1983 Chevrolet El Camino, 1984 Chevrolet Camaro, 1984 Chevrolet Caprice, 1985 Chevrolet Camaro, 1985 Chevrolet Caprice, 1986 Chevrolet Camaro, 1986 Chevrolet Caprice, 1987 Chevrolet Camaro, 1987 Chevrolet Caprice, 1988 Chevrolet Camaro, 1988 Chevrolet Caprice, 1989 Chevrolet Camaro, 1989 Chevrolet Caprice, 1990 Cadillac Brougham, 1990 Chevrolet Camaro, 1990 Chevrolet Caprice, 1991 Buick Commercial Chassis, 1991 Buick Roadmaster, 1991 Cadillac Brougham, 1991 Chevrolet Camaro, 1991 Chevrolet Caprice, 1992 Buick Commercial Chassis, 1992 Buick Roadmaster, 1992 Cadillac Brougham, 1992 Cadillac Commercial Chassis, 1992 Chevrolet Camaro, 1992 Chevrolet Caprice, 1993 Buick Commercial Chassis, 1993 Buick Roadmaster, 1993 Cadillac Commercial Chassis, 1993 Cadillac Fleetwood, 1993 Chevrolet Caprice, 3322456, Auto Parts, Automotive, California Direct Fit Catalytic Converter (2.5" ID/2.5" OD), Catalytic Converter, Direct Replacement, Exhaust Performance, Exhaust System, MagnaFlow, Magnaflow-3322456, Muffler, Performance Exhaust, Performance Parts, Vehicle Fitment

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1644.30 CAD | In stock |

## Images

- MagnaFlow 3322456 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-commercial-chassis-catalytic-converter-carb-3322456)
> Updated: 2026-07-16
