new owner of a 2005 cooper s whats a good exhaust to get for it,,living in the states i be looking into getting a nice exhaust and and air intake can i get some input on whats best for it at a good price,also a good oil for the engine is synctetic oil mybe the better option and what plugs are the best suited for it,,would a MSD High Power Ignition Coil be a good investment for the car