Fuel Line extra

[OKSurf]

Hi All,
Can someone tell me what the extra fuel line with the quick release is for? Was this from factory?

Thanks

15883

[MJHKnox]

What year and boat do you have?

[OKSurf]

Its a 88 comp.

[UKandH]

I dont think that is factory, it looks as if its an aux fuel cell line