1. Research what kind of car you would like to tune.
2. Find a reputable tuner for your car.
3. Discuss your goals for tuning your car with the tuner.
4. Choose the right parts for your car.
5. Install the parts on your car.
6. Take your car for a test drive.
7. Make sure everything is working properly.
8. Adjust and fine-tune the parts as necessary.
9. Enjoy your newly tuned car!