Big Giant Muffler Centers maintains two concept locations. One location is a pit configuration, the other a flat floor with a four-post lift. These are the two configurations that can be found anywhere throughout the United States. We will continue to operate these units for training purposes. Big Giant Muffler Centers of America, Inc. was formed for the purpose of franchising shops through out North America. Big Giant Muffler Centers of America, Inc. owns and operates specialty muffler shops specializing in custom performance systems, original equipment replacement parts and catalytic converters. For 55 years Big Giant Muffler Centers has set itself apart through its custom business, training of personnel, marketing strategy and high inventory turnover.!