Sioux Muffler Shop 1101 Pierce St Sioux City, IA 51105 Phone : (712) 252-3066 Business Category Automobile Repairing & Service Automobile Muffler & Exhaust System Repair Sioux Muffler 11th & Pierce St , Phone : (712) 252-3066 Business Category Mufflers & Exhaust Systems Manufacturers Mufflers & Exhaust Systems Wholesale