MagnaFlow Standard-Grade Federal/EPA-compliant direct-fit catalytic converter (93456) for a wide range of 1982-1993 GM rear-drive cars including the Chevrolet Caprice, Camaro, Monte Carlo, Pontiac Firebird and Buick Roadmaster. Spun-body 409 stainless construction with a single laser-fusion weld replicates the OE design for smooth flow and a leak-resistant seal; installs with no cutting or welding. Federal/EPA compliant for OBDII Federally registered vehicles (not for sale in California).
Specifications
| Type | Direct-fit catalytic converter |
| Grade | Standard Grade |
| Material | 409 stainless steel (spun body) |
| Emissions | Federal/EPA compliant (not for sale in California) |
| Part Number | 93456 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1991-1993 | Buick | Commercial Chassis | Base |
| 1992-1993 | Buick | Roadmaster | Base |
| 1991-1993 | Buick | Roadmaster | Estate Wagon |
| 1992-1993 | Buick | Roadmaster | Limited |
| 1990-1992 | Cadillac | Brougham | Base |
| 1990-1992 | Cadillac | Brougham | d'Elegance |
| 1992-1993 | Cadillac | Commercial Chassis | Brougham |
| 1993 | Cadillac | Fleetwood | Base |
| 1993 | Cadillac | Fleetwood | Brougham |
| 1988 | Chevrolet | Camaro | Base |
| 1982-1986 | Chevrolet | Camaro | Berlinetta |
| 1985-1990 | Chevrolet | Camaro | Iroc-Z |
| 1987 | Chevrolet | Camaro | LT |
| 1989-1992 | Chevrolet | Camaro | RS |
| 1992 | Chevrolet | Camaro | RS Heritage Edition |
| 1982-1987 | Chevrolet | Camaro | Sport |
| 1982-1987,1991-1992 | Chevrolet | Camaro | Z28 |
| 1992 | Chevrolet | Camaro | Z28 Heritage Edition |
| 1982 | Chevrolet | Camaro | Z28 Indianapolis 500 Pace Car |
| 1986-1992 | Chevrolet | Caprice | Base |
| 1983-1993 | Chevrolet | Caprice | Classic |
| 1986-1990 | Chevrolet | Caprice | Classic Brougham |
| 1993 | Chevrolet | Caprice | Classic LS |
| 1987-1990 | Chevrolet | Caprice | Classic LS Brougham |
| 1991-1993 | Chevrolet | Caprice | Classic LTZ |
| 1991-1993 | Chevrolet | Commercial Chassis | Base |
| 1983-1987 | Chevrolet | El Camino | Base |
| 1983-1986 | Chevrolet | El Camino | Conquista |
| 1983-1987 | Chevrolet | El Camino | SS |
| 1983-1985 | Chevrolet | Impala | Base |
| 1983 | Chevrolet | Malibu | Classic |
| 1983-1988 | Chevrolet | Monte Carlo | Base |
| 1983 | Chevrolet | Monte Carlo | CL |
| 1986-1988 | Chevrolet | Monte Carlo | LS |
| 1983-1988 | Chevrolet | Monte Carlo | SS |
| 1983-1986 | GMC | Caballero | Amarillo |
| 1983-1987 | GMC | Caballero | Base |
| 1983-1987 | GMC | Caballero | Diablo |
| 1991-1992 | Oldsmobile | Custom Cruiser | Base |
| 1984-1986 | Pontiac | Bonneville | Base |
| 1984-1986 | Pontiac | Bonneville | Brougham |
| 1984-1986 | Pontiac | Bonneville | LE |
| 1982-1992 | Pontiac | Firebird | Base |
| 1989-1992 | Pontiac | Firebird | Formula |
| 1982-1986 | Pontiac | Firebird | S/E |
| 1982-1992 | Pontiac | Firebird | Trans Am |
| 1989-1992 | Pontiac | Firebird | Trans Am GTA |
| 1984-1987 | Pontiac | Grand Prix | Base |
| 1984-1987 | Pontiac | Grand Prix | Brougham |
| 1984-1987 | Pontiac | Grand Prix | LE |
| 1983-1986 | Pontiac | Parisienne | Base |
| 1983-1986 | Pontiac | Parisienne | Brougham |
Shipping
- In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Backordered items ship as soon as stock lands — contact us for lead times.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30-day returns on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
- Installed or used parts can’t be returned — confirm fitment before you install.
- Special orders and custom items are final sale.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Refund Policy
