| Business | Phone |
| Cen-Tex Muffler Shop 1800 N 18th St, Waco 76707 | (254) 753-1111 |
| Curtis Graves Custom Muffler 725 La Salle Ave, Waco 76706 | (254) 752-6066 |
| Lamb's Muffler Ctr 1801 Washington Ave, Waco 76701 | (254) 756-3831 |
| Midas Auto Svc Experts 4428 W Waco Dr, Waco 76710 | (254) 772-4057 |