Turbochargers are incredibly appealing to performance enthusiasts because of their ability to add "free" horsepower - and lots of it - to almost any engine or vehicle. Today, it seems easier than ever for the average gearhead to harness the incredible power-building capability of turbochargers. Those who want to increase the performance of their existing turbo system, or those who want to add a turbo to an existing engine, have never had so many components,...