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 ...

A tuned exhaust header's primary-tube length has a direct influence on engine performance. It controls where in the engine's speed range the header will add performance. Longer tube lengths pull the ...

If you were lucky enough to grow up around car enthusiasts, you’ve probably heard your dad, uncle, or brother say, “Nothing wakes up a V-8 like a good set of headers.” And that’s true—few Corvette ...

When it comes to classic hot-rodding tricks, one of the very first things enthusiasts do is modify the exhaust for better sound and performance. The tradition started long ago, in an effort to improve ...