Pro Modified is the most popular class of cars in drag racing today. From fat-fendered 40 Willys with superchargers sticking through the hood to radical Lamborghinis and 'Vettes and guardrail skirting ...

It's not uncommon for race cars and other high performance sports cars to use a nitrous oxide system. After all, nitrous gives an instant burst of energy that can put drivers ahead of the pack on any ...