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 ...

Hot Rod school is now in session. For the benefit of first-timers we'll begin with a primer on exhaust header basics, your first logical step towards improved automotive performance. Not only will we ...

When it comes to car mods, exhaust headers are a common place to start. But what exactly makes them different from stock manifolds? Here's what to know.

Headers and exhaust systems have become something of a cliché because everyone talks about them, yet not enough of us know how to choose them. We select headers for all kinds of reasons, many of them ...

On a previous episode of Engine Masters, we watched David Freiburger (of Roadkill fame) and his crew run a comparison test between differently sized headers of the same long-tube variety. This time, ...