Established in 1972, Custom Muffler Shop is located at 7866 Highway 182 E in Morgan City, LA - Saint Mary County and is a business specialized in DOMESTIC. Custom Muffler Shop is listed in the categories Mufflers & Exhaust Systems, Auto Repair, Magnetic Resonance Imaging (Mri), Trailer Hitches, Truck Repairing & Service, Hitches, Truck Repair and Physicians & Surgeons Radiology and offers Set Up, DUAL EXHAUST SYSTEMS, Catalytic Converters and DOMESTIC & FOREIGN