ok got a 1999 CIVIC 4 DR. Head unit is a nice one Pioneer Premier p430 its prettty nice just no mp3. Im looking into putting new speakers in over the stock ones. I wsa thinkign of puttings subs in first but thats gonna cost a lot more. Anyways ive decided on speakers since i dont know m uch can you guys guide me what to buy ? Im thinking infinity and these are the two i want and they fit in the car. Infinity Reference 6002si Reference Series 6-1/2" Speakers and Infinity Kappa 692.5i 6"x9" 2-way Speaker. What i also would like to know is whats differnce of having the 3-way's for the 6*9's the 693.5i is it better? ALso is it better to get a component set for the front with the tweeters sepearte ? thanks any help will be greatly appreciated