Basically the stand alone fuel cell is like a seperate small gas tank that has its own pump. That only pumps fuel to your fuel solenoid on your nitrous kit. This way you don't have to worry about upgrading the rest of your fuel system to handle the extra fuel needed for when you spray.
Since youre running E85 just fill the tank with that its as good as race gas and will get the job done fine.
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2013 5.0 A6:
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