What is the purpose of a rear diffuser?

A rear diffuser efficiently creates an increase downforce through a vacuum created by low pressure under the vehicle and high pressure behind the vehicle.

BMW F30 F31 3 Series Carbon Fibre Rear Diffuser with LED Light

2014-2015 Chevy Camaro Evo Style Shark Fins Rear Diffuser Quad/Single

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Diffuser

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Diffuser in a car Download Scientific Diagram

What is the purpose of a rear diffuser?

What is the purpose of a rear diffuser?

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