hey bro i will agree AEM cold air intake...for your car about 225 bucks you can put it on yourself very easy..10 min max..

PM me and ill give you a site to a mess baord that talks nothing about acuras and honda its the best site on the net for info...they have a buy sell trade forum where you can sell old parts and by ppls used ones...get a header bro for you car DC...buy it used for around 150-200 bucks that would be the next thing after the intake....