Muffler: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Single | ||||
| One | 1.0 | 0.7 | C | |
| Dual | ||||
| Right Side | 0.7 | 0.4 | C | |
| Left Side | 0.7 | 0.4 | C | |
| Both Sides | 1.0 | 0.7 | C |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Single | ||||
| One | 1.0 | 0.7 | C | |
| Dual | ||||
| Right Side | 0.7 | 0.4 | C | |
| Left Side | 0.7 | 0.4 | C | |
| Both Sides | 1.0 | 0.7 | C |