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 ...

We all know that exhaust headers were originally designed as a performance product. The equal-length pipes were designed to allow the exhaust gases to escape the cylinder, while at the same time ...

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 ...