I am a 17 year old teen and I have a 2004 focus svt. I like in south florida and I want to bring upgrades to my car. I do not have the budget to put in a turbo or supercharger, but I would like to give my car more power on the low end. The person I bought it from put what looks to be a short ram system in the car. Other than that the car is stock. It does have the euro package though. I heard that a cold air intake is better than a short ram system. Is this true? What other not too expensive upgrades could I do to the engine to make it better, especially on the low-end power side?