Which fuel line should get an in-line fuel filter?

[Mikesbaron]

1999.

Which line from the tank to external pump should get the inline fuel filter? I'm guessing it would be the SUPPLY fuel line but can someone confirm which of the two hoses that is?

 

[RedBull]

Fuel filter mod | Maintenance and Do-It-Yourself

a quick break down. i will do pics and description of two very different methods to this modification. one is easy in my opinion and i wish i had chose that route. the other is more difficult. the first method is the easiest and that is simply drilling a hole in the filter assembly to bypass the...

www.hayabusa.org