We often try our best to get the most performance possible from our engines. In the search for more power, we often remove exhaust manifolds and swap them out for a set of headers. Available in ...

Now that we have a better understanding of why headers work, the question now becomes do they work in the presence of boost? To find out, we decided to run a series of tests by comparing headers ...

Chances are your header (or headers) has probably seen better days, especially if you put quite a few miles on your project car or daily driver. The constant heat cycling, occasional wet conditions, ...

The boiler header manifolds are available 1¼ and 1½ diameter and come in two, three, and four-zone units. The manufacturer’s boiler header manifolds are a prefabricated header for hot-water boilers ...