Magnaflow's passion is to deliver the best performing, most durable and capable exhaust components in the world. On May 18, 2000, MagnaFlow Performance Exhaust was awarded the ISO-9001 certificate. ISO-9001 is an international quality standard created by the International Organization for Standardization to define quality management and manufacturing systems. It has 20 specific design, material, and process requirements that help MagnaFlow/Car Sound ensure customer satisfaction with our products and services. ISO-9001 certified companies are re-audited every six months to ensure that quality standards are maintained.