I drive a 1.6sx Bravo, my car is proper quick but wud like a bit more 0-60 speed, wud adding some BHP help me and wat wud be the cheapest and best way to do it
If its "Proper quick" Then why do you want to make it quicker?
If its your first car then you will probably end up blowing the engine or crashing it, as most people invariably do who get a quick car as their first.