1. Avery Muffler 19390 Industrial Dr, Sonora, CA 95370 Coordinate: 37.97508,-120.31918 Phone: (209) 532-4611
2. Autotech 1220 Sanguinetti Rd, Sonora, CA 95370 Coordinate: 37.97425,-120.36295 Phone: (209) 532-6830