You can find the chip tuning file for your Rolls Royce Cullinan 2018 -> 6.75 V12 571hp vehicle on our site. These files are created especially for you and handed to you. All our Tuning files are extensively tested on Dynometer. The development of the tuning file for your Rolls Royce Cullinan 2018 -> 6.75 V12 571hp vehicle is the result of a special product by EcuPrime Engineers. In addition, we can increase the power of your vehicle from 571 HP to 620 HP, 850 Torque to 950 Torque.