hmm i think thats around a reasonable price if its running good.. how many miles? Hondas/Acuras can last quite a while depending how good the previous owner has taken care of the car.. i beleive some people on this board is running 200k and these engines are really reliable if you know how to take care of your car.. for some really detailed stuff, you can goto www.team-integra.net and read some of their articles..

http://www.team-integra.net/sections...&search=intake

Figure out what your going for first before doing any major mods.. are you going FI? NA? etc..