Your car sounds the way it does because of a staggering number of factors, but some cars have one particular standout attribute that contributes so heavily to the sound, it's indispensable. In this ...

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 ...

Frankly, you'd think this subject would have been exhausted by now. After all, how much "borderless education" can you absorb about such common and oft-explained engine functions as getting rid of ...

If there's one thing most car enthusiasts associate with Subarus, it's that unique burbly sound their boxer engines produce. It's a sound unlike any other boxer, with Porsches and classic Volkswagens ...

Upgrading the exhaust is one of the first steps many take when they want to boost their car's performance. One of most obvious choices in this regard is to install a header in place of the stock ...

What is it about exhaust scavenging, headers, and systems that leave us in a perpetual fog? Shorty ... medium ... long-tube? Pipe size? What collector type? Which is ...