The Ford Mustang's active exhaust system is more than just an auditory gimmick -- it's a performance feature engineered to balance civility with the bellowing growl muscle car fans expect. Introduced ...

Catalytic converters are an important part of your car's functioning exhaust system. Here's how they work and why their parts ...

Mazda has a neat idea for what is basically a CO2 diaper that could be part of combustion-engine exhaust systems.

Every car is built differently. Some cars even have wild features like lightning rod shifters to push the envelopes of style, performance, and user experience. However, there's one standard feature ...