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 ...

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 ...

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 ...

The 6.2 liter V8 LT1 engine was produced by General Motors for use in performance vehicles and sports cars. It was part of GM’s Gen V Small Block engine family and was first introduced in the C7 ...

Evan Williams is an automotive journalist and mechanical engineering technologist with more than a decade of experience in the industry. He has written for the Toronto Star and AutoTrader Canada and ...

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 ...

What is it about muffler shops and modified motoring that go so hand-in-hand? Now, I've never lived much outside of Southern California, so I've no clue how widespread the phenomenon really is. Around ...

Exhaust systems are designed to survive years of heat, vibration, and road grime, yet some of their most important parts deteriorate so gradually that drivers rarely notice until performance or safety ...