Depends on what year but around 170 horse power.
turbo gives more hp then a supercharger
A turbo usually adds around 10-100 hp, lets say 45. A turbo could be fitted to any car engine, and they already have an amount of hp so it could be anything. There is no proper answer.
180 hp
Apply more pressure to the go pedal! No the most hp would be (besides turbo or supercharger) replacing the camshaft and rocker arms
1,000 more hp
They are rated at 185hp stock.
well there are many different types of Porsche 911 turbos
300 HP
It depends on turbo. Some people have moderate gains some have up and more than 100%.
Non-Turbo: 120 HP / 130 lbft torque Turbo: 145 HP / 190 lbft torque
turbo kit 700 hp when done