Beyond simply adding parts, tuning allows you to fine-tune your car's behavior to your driving style and specific track conditions. The Tuning menu is accessible from the Upgrade Shop or during a race pause. Here are the key adjustable parameters:

- Tires: Adjust tire pressure for grip and responsiveness. Lower pressure generally means more grip but less responsiveness.
- Gearing: Adjust individual gear ratios and final drive. Shorter gears (higher numbers) mean faster acceleration but lower top speed.
- Alignment: Camber, Toe, Caster. Affects tire contact patch and steering response. Negative camber (top of wheel leaning in) is common for cornering grip.
- Anti-Roll Bars: Stiffer bars reduce body roll but can make the car more prone to oversteer/understeer.
- Springs: Spring stiffness and ride height. Stiffer springs reduce body roll and improve responsiveness but can make the car jumpy on bumps.
- Damping: Rebound and Bump stiffness. Controls how quickly the suspension extends and compresses.
- Aero: Front and Rear Downforce. Increases grip at high speeds but reduces top speed.
- Brake: Balance and Pressure. Adjusts how much braking force goes to the front/rear and overall braking power.
- Differential: Acceleration and Deceleration lock. Controls how much power is sent to each wheel, affecting traction and cornering behavior.
Tuning is an art, not a science. Start with small adjustments and test them. There are many community-shared tunes available if you prefer not to tune yourself, accessible from the 'Find Tuning Setups' option.