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.