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 ...

How do car exhaust systems work? Why do cars have exhaust pipes? What are the different components of an exhaust system? An exhaust system includes: headers, O2 sensors, catalytic converters, ...

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 ...

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 ...

When it comes to car mods, exhaust headers are a common place to start. But what exactly makes them different from stock manifolds? Here's what to know.