CENTER AND REAR EXHAUST MUFFLERS MANUFACTURED BY MASERATISOURCE INC. THE LEADER IN HIGH QUALITY MASERATI STAINLESS STEEL EXHAUST SYSTEMS.THE MUFFLERS ARE BUILT OUT OF THICK 304T STAINLESS STEEL GAUGE,FULLY POLISHED AND TIG WELDED.ALSO THE MUFFLERS ARE INTERNALLY CRAFTED WITH SST. LIKE THE ANSA,EACH MUFFLER IS REINFORCED FOR LONGEVITY AND RIGIDITY.THIS EXHAUST SYSTEM MUST BE INSTALLED BY A PRO MUFFLER SHOP! CHECK OUT OUR HEADERS AND LAMBORGHINI EXHAUST