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CLEANUP Icon Infobox ElectricEngine.png This article does not meet the Forza Wiki's manual of style.
Upgrades Header.jpg

Upgrades can be used to alter any performance characteristic of a car. They are featured in every Forza main title.

By swapping stock parts with aftermarket upgrades, players can gain performance improvements and new performance index values. Many parts also allow custom calibrations by the player that can be performed at the Tuning menu.

In Forza Motorsport 7, players must comply with Homologation restrictions when upgrading their vehicle in order to compete in division-specific races.

Components

Players can choose from five upgrade types that have a great effect on certain performance aspects, although they can also overlap with other types in some aspects.

Engine and Power

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Engine and Power upgrades are essential for improving acceleration and top speed as they directly alter the maximum power and torque output of a car.

Platform and Handling

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Platform and Handling upgrades primarily improve handling by reducing understeer or oversteer and shortening brake times. Each can be achieved by altering chassis and suspension components of a car.

Drivetrain

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Drivetrain upgrades consist of transmission and drivetrain upgrades, thus dictating the amount of power transferred from the engine to the wheels.

Tires and Rims

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Tires and Rims upgrades refer to wheel modifications. Tire upgrades have a great impact on every performance field of a car as they determine how well the player's vehicle is able to transfer its power to the road. Players can also change their rims to reduce weight.

  • Drag - Performance optimized for drag racing (Motorsport series only)
  • Rally - Performance optimized for off-roading (Horizon series only)
  • Snow - Performance optimized for driving on snow and ice
  • Hot Wheels - Performance optimized for track racing (Hot Wheels Expansion for Forza Horizon 3 only)

Aerodynamics

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Aerodynamics upgrades include aerodynamics alterations to a car and aftermarket body parts.

Conversion

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Conversion upgrades include major component replacements such as engine and drivetrain swaps. Installing a conversion upgrade can drastically change the driving characteristics of a car and may require additional upgrades from other types to counteract unwanted performance changes.

Stages

Tiers

Most upgrades are available in five tiers and provide performance improvements:

  • Stock - Original performance
  • Street - Minor increase of performance
  • Sport - Moderate increase of performance
  • Race - Major increase of performance
  • Remove - Remove engine restrictor to unfold power or remove rear wing or front splitter to lose weight and gain speed at expense of handling

Immediate Upgrades

Players can immediately upgrade their vehicle to the limit of a performance class via the Quick Upgrade menu. This eliminates the necessity of having to install upgrades individually, although it is always possible to de-select a single or multiple parts generated by the menu before applying the upgrade.

Players can choose from upgrade presets which work similarly to Quick Upgrade but alter a car to achieve certain performance aspects for certain driving characteristics or raise a car to the maximum of a performance class. Upgrade presets are available for Horizon Edition or Forza Edition cars and Upgrade Heroes cars.

Discounts

Main article: Manufacturer Affinity
Main article: Forza Horizon/Discount Signs

Upgrade discounts are only featured in Forza Motorsport 2, Forza Motorsport 3, Forza Motorsport 4, Forza Horizon, and Forza Horizon 3, although they are unlocked differently in each title:

  • In Forza Motorsport 2 and Forza Motorsport 3, certain upgrades can be discounted up to 50% for certain car brands.
  • Players in Forza Motorsport 4 are rewarded with a 100% discount after reaching Level 4 Affinity for a manufacturer.
  • Smashing a discount sign in Forza Horizon rewards the player a 1% discount. It is possible to smash up to 100 signs.
  • Forza Horizon 3 has a one-use perk that makes the player's next upgrade checkout completely free.
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