I agree, it also depends on how much horse you are wanting to get out of it… If you want something professional be prepared for that high of price, but a small horse gain around 70-100 will be around 1,000 for a kit (guessing smartly) labor, i have no idea…

parking at stansted airport

you asked a similar question with reguards to a super charger, the answers are the same, your not looking at anything else, you also dont specify if its auto or manual (i work for honda and ive never seen a manual accord in that style) No honda automatic transmission can handle that kind of increase, especially without alot of custom work, ive only seen one, and i repeat, one, 5 speed accord v6 and thats cuz the kid did custom work, those are luxury not race cars, your motor may be able to handle it, but your tranny wont
but to flat out answer your question, turbos offer a gain anywhere from 50HP and up with proper tuning, fuel system, engine management

it s fast and clean

The average kit is about $3,800 and install labor about $1,500.