Ford Mustang V6 and GT 2005-2014: How to Replace Fuel Filter Oct 09, 2015Ford Mustang V6 and GT 2005-2014: How to Replace Fuel Filter. Replacing the fuel filter on your Mustang is cheap insurance to guarantee you are achieving maximum performance. Over time, deposits in the filter restrict flow, which diminishes the performance of your Mustang. 2012 Ford Mustang Fuel Filter - AutoZone Equip cars, trucks & SUVs with 2012 Ford Mustang Fuel Filter from AutoZone. Get Yours Today! We have the best products at the right price.