| Answer | Crossword Clue |
|---|---|
| MANIFOLD | Car exhaust part |
| MANIFOLDS | Car exhaust systems components |
| EMISSIVE | Pertaining to car exhaust |
| SMOG | Product of UV rays and car exhaust |
| TAILPIPE | Auto-exhaust part |
| MANIFOLD | Part of a car's exhaust system |
| MUFFLER | Part of a car's exhaust system |
