| Part | Manufacturer | OEM Part # | Price | Notes |
| Catalytic Converter |
| Front |
| See Exhaust Manifold. |
| Rear |
| One Piece System |
| Manual Trans |
| 4 Door |
| Federal | MZD | L3532055XG | 504.60 | |
| California | MZD | LF622055XC | 1099.40 | |
| 5 Door |
| Federal | MZD | L3542055XG | 573.50 | |
| California | MZD | L3C22055XC | 1099.40 | |
| Auto Trans |
| 4 Door |
| Federal | MZD | L3262055XJ | 699.08 | Separte Type Includes Ex. Pipe, Converter & Muffler. |
| California | MZD | LF622055XC | 1099.40 | |
| 5 Door |
| Federal | MZD | L3292055XJ | 643.70 | |
| California | MZD | L3C22055XC | 1099.40 | |
| Separate Type System |
| Federal | MZD | LFY420600A | 343.40 | Includes Rear Converter, Exhaust Pipe & Muffler. |
| California | MZD | L3Y420600 | 817.76 | Includes Rear Converter, Exhaust Pipe & Muffler. |