The engines that power the vehicles we drive are exceptional machines. They're capable of generating insane amounts of power in a relatively confined space, and they can generally be expected to ...

A lot of 5.7 Hemi owners start looking at headers after the factory manifolds begin holding the engine back. Some want more ...

We may receive a commission on purchases made from links. An engine relies heavily on air to make the combustion process work properly. The exhaust manifold, which is attached to the engine block, ...

One area of engine science that shows positive returns is the exhaust system, particularly from the cylinder head to the muffler. It's been proven over and over again that headers add big power, so ...

Bolted directly to the engine block, the exhaust manifold is the first section of a vehicle’s exhaust system. It funnels exhaust gases from all the cylinders and routes them to the car’s catalytic ...

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 ...

Once upon a time I had this idea: While strolling the aisles at SEMA last November-the largest automotive aftermarket trade show in the universe-amongst all the glitz that is Vegas, I spied a set of ...