What is this after market part on my 06 I just got?

[Mariea]

what is this? It's aftermarket something on an expedition. It was behind the grill. there was a toggle switch inside the car with wires that ran from switch to the battery and from the battery to this thing. this thing had a clear pipe running to the air intake. Did i mention its made out of PVC pipe, and filled with water & aluminum?

 

[rcreecer]

Looks like water/methanol injection. Are there any signs that a nitrous kit was ever installed, or forced induction?

 

[tonydiv]

It actually looks more like an HHO. The mythical hydrogen generator that is supposed to boost mileage.

Many believe that these things work.... many more don't.

 

[walnuts4x4]

wow never actually seen one that was installed....