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 ...

Removing a broken exhaust manifold bolt can be a challenging job, especially when access is limited. Follow this repair process and discover a practical approach to tackling stubborn broken bolts ...

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 ...

Upgrading the exhaust is one of the first steps many take when they want to boost their car's performance. One of most obvious choices in this regard is to install a header in place of the stock ...

If you use a gasoline-powered V-8 pickup or SUV to tow a trailer, chances are you're going to eventually have an exhaust leak caused by broken manifold bolts or studs. We have a 2004 Dodge Durango ...

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 ...

None of us were there. Even so, it seems safe enough to speculate that the ancient art of engine swapping dates back about as far as the engine itself. For our distant ancestors, it was likely a ...