Welcome to Hottexhaust. Best in class emissions control components and performance exhaust systems is our business. The Magnaflow brand has been our focus since 1992, delivering 50 state legal California compliant catalytic converters, performance exhaust systems, EPA approved OBDII catalytic converters coast to coast throughout the USA and Canada, serving installer, warehouse and end users markets with the best made in the USA exhaust and catalytic converters anywhere. We take pride in providing exactly what is needed to pass smog or make your car or truck perform and sound just like you want. Customer service and timely delivery is of utmost importance, our friendly, knowledgeable staff is available by telephone. live chat as well as email.