Water injection has been around forever, but after going in and out of fashion for decades, it's gaining a firm foothold in the performance-car world. A big reason is Matt Snow at Snow Performance is ...

Performance augmentation systems are typically more expensive, complicated, and potentially illegal, but as a final step they remain some of the most popular modifications in the hot rodder's handbook ...

Superchargers, turbochargers, nitrous oxide injection—they all do the same thing, one way or another: They make your engine act bigger, which makes your car run faster. The internal combustion engine ...