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

Stellantis has just filled an interesting patent for a retractable, fabric rear diffuser. Rear diffusers are normally fixated to the lower rear portion of a vehicle and work to either improve ...

The competition-spec Ford GT rear aero is designed the FIA/ACO's revised GTE class regulations, which were finalized on Thursday and take effect next year. New rules allow for a moderate power bump, ...

How does a rear diffuser work on a car? What is the purpose of a diffuser? In this video I explain the science behind diffusers, and how they increase downforce of racing vehicles. NEW VIDEOS EVERY ...

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 ...

The FIA’s International Court of Appeal has ruled that rear diffusers used by the Brawn GP, Toyota and Williams Formula One teams complied with regulations--and that results from the season-opening ...