Muffler: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Without GT | 0.8 | 0.6 | C | |
| With GT | ||||
| Front | 1.2 | 0.9 | C | |
| Intermediate | 2.2 | 1.7 | C | |
| Rear | ||||
| One | 1.1 | 0.8 | C | |
| Both | 1.6 | 1.2 | C |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Without GT | 0.8 | 0.6 | C | |
| With GT | ||||
| Front | 1.2 | 0.9 | C | |
| Intermediate | 2.2 | 1.7 | C | |
| Rear | ||||
| One | 1.1 | 0.8 | C | |
| Both | 1.6 | 1.2 | C |