https://www.thedrive.com/accelerator/39857/new-porsche-911-gt3-cup-car-debuts-at-sebring-and-it-is-not-screwing-around
New Porsche 911 GT3 Cup Car Debuts at Sebring, and It Is Not Screwing Around
It's the first time the 510-hp beasts have been driven in anger, and they sound amazing.