How to afford a Subaru Impreza WRX STi?

This applies for other fast and expensive cars but in my case i like the Subaru impreza WRX STi. Im 16 and getting my license in august right before school starts. I Have 2 grand and need another 2 before my parents will give me a good amount of money towards my car, The one i want is A 2006-2008 Subaru Impreza WRX STi and to modify it for racing. I know racing int goo illegally but im Very good with double clutching anticipation and other main qaulities of driving manual cars. Is there any way that i can lower insurane,monthly payment for loans or any secret way to easily afford this so i can have extra money to put extra parts on my baby. Please Need help. Other than job i have one