Welcome!
Best bang for the buck performance upgrade?
Simple
Upgrade the driver!. Short of changing out the motor for a V8, you will spend lots of $$$ to increase power and get very little for it power wise
Join your local PCA club, Do a car control clinic or performance driving school. Start doing autocross and they will give you an instructor.
You will find the capabilities of the car, even in bone stock setup is far above your skills and capabilities without training and seat time.
Learn how to drive the car and then start looking at upgrades
Oh yea, It ain't real without pics
