A turbo would be custom made...you'll first need to learn/understand all the basic parts necessary for a basic turbo install and go from there to fine tune your turbo set-up. Is your coupe a manual or CVT? Keep in mind that a turbo set-up will not be cheap and require a lot of tuning to ensure that a your car runs properly.
There are a few guys on the forum that boosted their coupes who could provide a lot of technical information and advise to you.
