| Business | Phone |
| Big Daddy's Muffler 301 S Central Ave, Duluth 55807 | (218) 628-2542 |
| Duluth Muffler Clinic 112 E Superior St, Duluth 55802 | (218) 722-0321 |
| Midas Auto Svc Experts 609 W Central Entrance, Duluth 55811 | (218) 722-2617 |
| Muffler Clinic 323 E Central Entrance, Duluth 55811 | (218) 722-4696 |