Josh had ear plugs in and ear muffs over, and it was still loud. We use the ear muffs all the time now, even low hp cars, the rollers are a little loud. And the car can handle more then WG pressure, nothing is trying yet, clutch holds good, IATs are ambient temp with no ice in the water/air setup, fuel system is way good, power is good. I am only going to turn it up a little
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~John