Air-to-Air vs Air-to-Water intercoolers: What's the difference?

Forced induction is a fantastic way to get more power out of a car, but it needs to rely on an intercooler. These can either be air-to-air or air-to-water.
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Twin turbo setup: What it is and how it works

Twin turbo systems explained: how they work, why V6 and V8 engines use them, real-world performance gains, and when twin ...