| Clue | Source | Date |
|---|---|---|
| Feature of 60's muscle cars | ||
| Tire wear? | Universal | 25 Jan 2024 |
| Sporty muffler option | The Washington Post | 06 May 2021 |
| Sporty muffler option | LA Times Daily | 06 May 2021 |
| Attachment on some mufflers | ||
| Performance car feature | ||
| Feature of many muscle cars | ||
| Feature of many a V-8 engine car | ||
| Feature of some cars |