Although at first this may seem like a subject that any I-know-it-all car fan is already familiar with, we've come to the conclusion in recent years that there are a lot of preconceptions and even ...

Most enthusiasts think of the exhaust as starting from the manifold back, but the exhaust system really starts at the exhaust valve. A small increase in exhaust port flow, especially with stock ...

They are the misunderstood and poor stepchild of the mechanical systems in a home. For decades, the code told us we either had to have an operable window in a bathroom or a minimum 50 cubic-foot ...

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 ...

In 1983, when our Z28 was the king of a very weak army, its exhaust consisted of dual mufflers and twin, concealed outlets. It was considered somewhat exotic for the time. But after 15 years and ...