supercharger makes all of its power in the LOW rpm range, because of the absence of lag, and adds detrimental drag to the crank, which is made up for by th epower it adds
turbo makes power in the HIGH rpm range, feeding off of the exhaust gasses to spin a wheel which compresses air into the intake tract. its basically power for free
my vote is on turbo, because it doesnt make alot of extra noise (Except for the BOV and wastegate), and is more expandable, you can only go so far on a supercharger
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