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 ...

No matter how good a car looks from the curb or on the show field, everyone wants to look under the hood. Today, engine bays look better than they did any time after the first oil change, thanks to ...

An integrated Exhaust Manifold, or "headifold," is an exhaust manifold cast into an engine's cylinder head and cooled by antifreeze. This type of design, where the exhaust manifold is no longer a ...

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 ...

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, ...

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 ...