Although hydrogen is the product. This is basically a seafoam method isnt it? From memory that is done through the intake system as opposed to the fuel system.
I agree it would be nice to have a before and after comparison to see what the difference is.
Maybe even a dyno run before and after to really see if any power is clawed back, and if any how much by.
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2006 S8 5.2 V10
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