Most of us probably know what rear spoilers do, but what about rear diffusers? Here's what these often-overlooked components ...

Gas turbine exhaust diffusers serve to decelerate high-velocity combustion gases and convert their kinetic energy into useful static pressure, thereby improving overall cycle efficiency and reducing ...

While the horsepower wars continue, automakers are searching elsewhere to see where precious time can be shaved off of a hot lap. Porsche, in particular, is looking to redefine the rear diffuser. New ...

The diffuser is a chunk of bodywork low on a car’s rear end, usually shaped to manage airflow, improve aerodynamics, and—let’s be honest—look bitchin’. Bugatti’s new Tourbillon super-coupe’s massive ...

Porsche isn’t the first brand to come to mind when you think of towing but a surprising amount of Cayenne owners do actually tow with their SUVs. How else are they supposed to get their 911 GT3 RS to ...

Like the Bene Gesserit uber-females of Frank Herbert's Dune series, Porsches can control their inner organs, adapting to whatever challenges thrown at them, hence the vast array of abbreviated active ...