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 ...

Of the elements that make up the four-stroke cycle, the exhaust is the last part of the equation, and it also represents the end of an engine's ability to make power. Once the exhaust gas leaves the ...

The 4x4 Aftermarket Offers "bolt-on"-or at least "less hassle than making your own from scratch" solutions to many popular conversion dilemmas. But the further away from stock the vehicle gets, the ...

The fuel and exhaust systems inside diesel engines work closely together. As a result, fuel- and exhaust-related issues can be some of the most difficult to diagnose: A symptom in one system often can ...