The fuel filter for all 1990-2005 Mazda Miatas (including Mazdaspeed Miatas), is underneath the car, just before the rear tire on the left side. It will be hidden under a thin, plastic splash shield.
The 2011 Mazda MX-5-Miata has a 5-speed manual.
The 2004 Mazda MX-5-Miata has a 5-speed manual.
The 2012 Mazda MX-5-Miata has a 5-speed manual.
The 2009 Mazda MX-5-Miata has a 5-speed manual.
The 2005 Mazda MX-5-Miata has a 5-speed manual.
The 2014 Mazda MX-5-Miata has a 5-speed manual.
The 2007 Mazda MX-5-Miata has a 5-speed manual.
The 2013 Mazda MX-5-Miata has a 5-speed manual.
The 2001 Mazda MX-5-Miata has a 5-speed manual.
The 2008 Mazda MX-5-Miata has a 5-speed manual.
The 2002 Mazda MX-5-Miata has a 5-speed manual.
The 2010 Mazda MX-5-Miata has a 5-speed manual.