Where is the fuel filter on your 2000 Mazda miata?
It is hidden behind a plastic shield underneath the car, just before the rear, passenger side tire.
See the following site for details:
Yes. Both are under the car, just before the rear wheel on the passenger side (assuming LHD cars). It is protected by a plastic splash shield. The fuel filter on the 1997 Mazda Miata is located, under the vehicle, on the passenger side, below the seating area, front of the fuel tank. It is mounted on frame in fuel line.