Muffler Glass Pack Muffler Glass Pack Muffler; 3.5 in. Round; 2 in. In/Out; Body L-18 in.; Overall L-22 in.; Center/Center; Core Size-2 in.; FEATURES: Aluminized Body Straight Through Perforated Core Provides Internal Longevity Provides The Classic MagnaFlow Sound Limited Warranty MagnaFlow Performance Exhaust got its start as a natural extension of Car Sound Exhaust Systems, Inc, our parent company, that specializes in superior catalytic converter technology. Car Sound Exhaust Systems, Inc. has spent 25 years earning a reputation as a market leader around the world. Today, we at Car Sound/MagnaFlow are extremely proud of this and stake our 25 years of experience and reputation on each and every one of our products. Each new product we develop is personally evaluated by me and tested by our team of designers and engineers, then field tested to ensure that these products meet our stringent quality and performance standards. On May 18, 2000 Car Sound/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. Together, we stand united in our passion to deliver the best performing, most durable and capable exhaust components in the world. As we go forward, you'll slowly start to witness a change as we segue fully into the MagnaFlow Performance Exhaust brand identity, a name that has achieved global recognition. This change will simply help people from both sides of our business understand that high quality and high performance is part of our mantra and. it's in our name.