Twin turbo systems explained: how they work, why V6 and V8 engines use them, real-world performance gains, and when twin ...

Back in the day, most aftermarket and factory turbocharger systems featured simple log-style exhaust manifolds. But just like on normally aspirated engines, where exhaust manifold design has become ...

Jay Traugott has been writing about and testing cars for over a decade. His passion for everything with four wheels began when he saw "Back to the Future" as a kid. The DeLorean DMC-12 remains his ...

The main thing that separates hot street cars from race cars is mufflers. Heck, you've got blowers, injectors, roller cams, ported heads, and anything else you can name on street cars these days.

I’ve gained a lot of respect for (and interest in) the power of 3D printing custom car parts after chatting with a 3D designer. Today, another really cool perspective on this style of manufacturing ...

No single automotive modification draws as much attention as a tuned exhaust note. Coupled with a hot cam, a well-constructed exhaust emits a certain harmony that will never go out of style. But while ...