Hi ive recently bought a 2003 Ford Focus St170. It needs a couple of little jobs done to it then may look at modifying it a bit. Was wondering how easy they are to get descent power gains out of? It currently has a Induction Kit on it and thats about it.

Im not looking to spend a fortune but wasnt sure if you could get any descent gains out of the car with a de-cat pipe, aftermarket exhaust system, Ecu chip and any other bits and pieces?

Thanks