Once getting sufficient money from the races, tune and update up your vehicles. After having with some difficult races, you will have to tap on the Upgrade button on your automobile for some upgrades of different parts in the automobile such as the In-take, Engine, Exhaust, Drivetrain, Conversion, Framework, Aero, Wheels, Paint Job and Grip. By doing so you will lead to much better efficiency in your vehicle, and certainly it will cost your money.

After updating your automobile, tap on the Boost button to Tune Up your automobile to enhance its maximum rate, it will quickly succeed a particular variety of races. Enhancing generally costs Diamonds to do however, so beware when investing them. By getting your vehicle tuned from aero kits to turbochargers to internal engine parts like pistons and crankshafts, these will influence your efficiency when having some races. In addition, tailor your vehicles with spectacular paint tasks, custom-made rims from the greatest players like Volk Racing, Pacer, and SSR and genuine world tires from Nitto will enhance your design on the races.