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View Full Version : How to improve performance and possibly add horsepower to my 4cyl 2002 kia optima?


Andrew
09-09-2009, 03:05 PM
i plan on replacing the muffler, the tires, and adding an intake im not sure what type of intake yet(cold air, short ram??), but i would also like to know what else i could do that would improve the performance and give me more horsepower. i know that its not the most powerful engine but its my first car and it was a steal at $5000, but any advice to give me a little more power would help