The smoother the transition from high exhaust pressure within a header's primary pipe to atmospheric pressure at the end of the pipe, the longer the reflected pressure wave's duration—and that makes ...

What goes in must come out. That's the whole premise behind an exhaust system. As with every other component on a high-performance vehicle,howyou accomplish the task can make a big difference in how ...

Have you ever tried exhaling through a straw? It's not the easiest thing in the world to do, is it? The full power of your lungs is held back as you attempt to push the air through the narrow-diameter ...