Revealing mistake: During the car chase with the railway train wheels, when some of the cars get destroyed and flipped, you can see flame and smoke from the bottoms of the flipped cars where the cannons fired to flip them.
Revealing mistake: During the truck chase and the train wheels being offloaded into the path of the pursuing cars, on the car that gets hit after the hummer we can see the metal canister used to roll the car.
Answer: We saw them set free, so assume beyond that what you will. If we apply current reality to it, we can guess the sponsors lost their money, as the venture was entirely illegal to start with. The government would gain nothing killing them, so they likely would issue new Social Security numbers to them and start collecting taxes ASAP. If you must have a definitive answer to 'what happened next', you can always wait for a sequel.
johnrosa