Everrati's Porsche 964 911 RSR conversion swaps its flat-six engine for batteries. Here's why it works better than you may think.

Manhart Performance is known for turning BMWs into incredible machines, though it occasionally dabbles in tuning Porsches ...

Jon Volk is a well-known maker of custom exhaust manifolds for high-horsepower BMWs. Watch him work his design magic and cook ...

Manhart makes no claims about how quick the TR 900 II is, but based on the fact that the stock Turbo S hits 60 in 2.6 seconds ...

Porsche's four-door, which can be had with anywhere from 330 to 680 hp, is offered in three different body styles ... liter twin-turbo V-8 of the Panamera Turbo. It dons 21-inch 911 Turbo wheels ...