Have you ever been skeptical about JDM aerodynamic add-ons? Like the crazily popular front bumper carnards, splitters, rear wing and diffusers?. The Option magazine network advertisements all claim that these carbon fiber or fiberglass or sometimes plastic winglets things do work to keep your car planted with the effect that Bernoulli creates. Which in car terms, is widely known as downforce.
Though this may seem logical and all, people like you need to see it happening. So here’s an Option video documentary on the Tsukuba Time Attack’s Cyber Evo monster. There’s even a stock comparison near the end where the lack of these air spoilers, actually created the dreaded lift.