u can back date your ecu, to obd1 not sure which ecu for your application but on mine i am running a p28, and i chipped using crome pro which my buddy shmoo tunned for me.. or if u like u can get a hondata system, aem ems, but the way i did it works just fine as well, if u hit search there is a really good thread on the integra forum a while back i think the creater was greengsry2k or something like that but has a lot of good info that will help u out!