Next to the suspension, the exhaust system of your gasoline-fueled four-cycle truck engine is perhaps the most misunderstood bolt-on performance combination on the market. The basic concept of ...

Laying out the relationships between the engine's exhaust and intake and how you can use them to your advantage There are specific functional relationships between an engine's exhaust and intake ...

We've previously discussed header design; what about post-collector extensions? Most commonly seen on motorcycles and other small motors that are inherently peaky, a megaphone-shaped collector ...

Equipped with two powerful Merlin V-12s, the de Havilland Mosquito wings its way across the skies … Wait a minute, one, two, three, four, five … If the Mosquito has V-12s, why are there only five ...

The next time you see a semi truck rumbling down the highway, pay attention to the vertical exhaust stacks rising up from behind the cab. These exhaust pipes aren't just for aesthetic purposes: These ...

Next to the suspension, the exhaust system of your gasoline-fueled four-cycle truck engine is perhaps the most misunderstood bolt-on performance combination on the market. The basic concept of ...