If you plan to upgrade your car on a budget, most car enthusiasts often start with the engine's air intake system and a performance exhaust. Add-ons like a cold air intake or a straight pipe will let ...

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 ...

While it is very common to port match an intake manifold to a set of cylinder heads to ensure that there is proper port alignment so that the air /fuel mixture can enter the intake side of the head ...

Last month we introduced a new project, affectionately known as Larry, short for F-150 Lariat. It has been with the company since 1996, when it won the coveted Truck of the Year (TotY) title for Ford ...

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 ...

Lately, on several of the Corvette forums, the "experts" have been saying that tube headers on an engine are a waste of money. They say they only make the engine louder. I always read that headers are ...

An exhaust manifold or header collects the exhaust gases from multiple cylinders into one pipe. Usually constructed of cast iron, the exhaust manifold is a pipe that conducts the exhaust gases from ...