After about 30 minutes of kicking the asphault and the curb, I realized that the silencer was removed by the previous owner. On the advice given here, I got a K&N hiflow filter, and the car definitely feels stronger. Other than these 2 mods my car is totaly stock. Is there anything i can do for performacne gains that is as easy as changing the filter, or at least not too much more difficult?
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