I've had the car almost 3000 miles and ready for an oil change. I've seen numerous posts on type and brand of oil, Mobil One seems to be the choice. But I havn't seen any recommendations on filters. I live where it is hot and sometimes dusty and want to give the best protection I can. I see the K&N filters and Mobil 1 filters advertised for $10.00 - $14.00 in Mid America etc., do I need to spend this much?