Tune your vehicle for the ideal power-to-weight ratio for a smooth, stable ride. QuickTune H4 - the successor of the highly acclaimed QuickTune 7 Tuning Calculator for Forza 7 - is now available with full support for Forza Horizon 4!

Tune your vehicle with the help of QuickTune H4 and reach a new level of tuning. With QuickTune H4, you can simply enter your car data and your tune will be calculated automatically for you. Choose from four different types of tune:

Road, Performance, Track and the Multiplayer lobby

The power of QuickTune is now available for Forza Horizon for the first time!

This highly intuitive tuning calculator is now available for all cars and all maps in all modes.

Create a more powerful and more powerful car! With QuickTune H4, you can simply enter your car data and your tune will be calculated automatically for you.