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      10-22-2011, 04:14 PM   #6
B__M__W__RULES
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Drives: '11 BMW M3
Join Date: Oct 2011
Location: Canada

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The difference is that gpower, like AA, use an air to air cooler. The compressed air itself is being cooled. Looking at the photos, ESS uses a water-air cooler, meaning that the manifold "environment" is cooled. This means boosted air has less distance to travel, and thus less plumbing. Both systems are great in their own ways