I am getting my tax return check of about $900....i am looking into exhaust systems for my ZTS...any suggestions?...i am looking for the best out there that will be an easy install, i was looking at the focus sport...anyone know the difference between the sports system ceramic coated and non ceramic coated besides the extra $130? and the stealth and non stealth...anyone have sound clips they could send me or post?...spring is coming and i am getting ready to put some money into my focus, also any suggestions on headers?