| Business | Phone |
| Advance Muffler 1434 E Foothill Blvd, Upland 91786 | (909) 920-0511 |
| Midas Auto Svc Experts 1281 E Foothill Blvd, Upland 91786 | (909) 946-5400 |
| Muffler City 1820 W 11th St # B, Upland 91786 | (909) 608-1700 |
| Nash's Muffler & Karts 8438 Loma Pl, Upland 91786 | (909) 981-9611 |
| Speedway Muffler 1700 W Foothill Blvd # B, Upland 91786 | (909) 981-4366 |