A set of properly tuned equal-length headers will do more than simply get rid of exhaust gases. When matched to engine speed and cubic-inch displacement, a significant increase in volumetric ...

It's an accepted part of hot rodding lore that headers help make more power and torque on any engine versus the typical stock cast manifold, but do you know why? It's all about flow, right? Well, yes ...

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 ...

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 ...

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 ...

Horse Sense:JBA mid-length headers may not be street legal, but they're homologated for FIA racing thanks to Sean Hyland Motorsport. SHM had these headers approved because the company uses them on ...