D15Z1 honda CIVIC VX engine tune HELP

What can i do to my D15Z1 V-tec , i get great gas milage and the acceleration is great { for me that it } what are some common mods to this engine and i want NA no boost or bottle ,thanks TK
Forum for the Honda Civic EG 1992-1995
http://civic-eg.com/forum/
DannyCraQ wrote:cold air in my opinion is better than short ram