If your engine has a lot of miles on it like 100k and up the turbo kit will speed up the process towards the death of your engine. That is why a lot of people rebuilt their engine when turbocharging their car I even did it on my Integra and a friends Civic. That also answers your other question, yes you can turbo your engine here is a guide that I have linked. Its a simple guide on how to turbo a honda, i know on the link its a civic but its the same exact thing on a Integra.
www.honda-tech.com