Extreme Tuning Championship is an online game at 43g.Com. You can play Extreme Tuning Championship in your browser for free.Race all levels and qualify in the first 3 ranks to earn money. This way you will be able to buy upgrades like engines, rims and tires for your racing car. This game offers you many intense levels and 3 cars. The first one is already yours and the other 2 need to be unlocked. Be the best driver online. Have fun!