A forced induction device that increases an engine's power output and efficiency. It's consists of a turbine, driven by the engine's exhaust, coupled to an impeller which compresses and forces air into the engine. More air (= more oxygen molecules) + more fuel = More power

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Subaru Forester XT has a hissing sound under acceleration and lacks power

I want to buy an 06-08 Forester XT and on Friday I went to test drive an Automatic. Now, I know the auto box isn't the best and the forester weighs a good 300kg/600lbs more than my Astra Coupe, but it ...