OneFunGenesis
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Hmm. Thanks for that heads up!
Thanks Gameday. No, there is not any concern with standing water or deep water. The valves when open direct flow through "down tubes". Water would have to travel "up" and against exhaust flow. Even if you car was submerged while not running, the water would have to travel "up". Its probably safer than your stock exhaust if submerged in water. Hard to imagine water getting up into the engine.
The wiring is protected in big insulated sheathing for heat shielding and weather protection. All good.