| Business | Phone |
| Championship Muffler Svc 1842 E Los Angeles Ave # G, Simi Valley 93065 | (805) 522-7620 |
| Chips Brake & Muffler 888 Chambers Ln # B, Simi Valley 93065 | (805) 522-9951 |
| Happy Motoring 914 Chambers Ln, Simi Valley 93065 | (805) 582-2491 |
| Magic Muffler & Brake Shops 886 E Los Angeles Ave, Simi Valley 93065 | (805) 526-0792 |
| Midas Auto Svc Experts 820 E Los Angeles Ave, Simi Valley 93065 | (805) 522-2505 |
| Nelmar Muffler 1586 Faith Ave, Simi Valley 93063 | (805) 526-2137 |
| Simi Muffler Svc 868 E Los Angeles Ave, Simi Valley 93065 | (818) 340-4181 |