Tuning
Tuning a car in Forza Horizon 5 grants you nearly limitless possibilities, most of which are extremely subjective and vary wildly depending on a number of factors, including the car you're tuning, the upgrades applied to the car, what you intend to use the car for, and your personal driving preferences.
Platform and Handling
Race Brakes - All Brake tuning options
Race / Drift / Rally Spring and Dampers - All Alignment, Spring, and Damper tuning option
Race Front Antiroll Bar - Front Antiroll Bar tuning option
Race Rear Antiroll Bar - Rear Antiroll Bar tuning option
Drivetrain
Sport Transmission - Final Drive tuning only
Any Race Transmission - All Gearing tuning options
Sport Differential – Acceleration Differential tuning only
Race / Rally / Offroad / Drift Differentials – All Differential tuning options
Tyres
Any Tire Compound - All Tire tuning options
Aero and Appearance
Adjustable Front Bumper - Front Aero Downforce tuning option
Adjustable Rear Wing - Rear Aero Downforce tuning option