The speakers by the A-pillar( next to the window)? Those you need to grab the speaker grill and pull straight out to remove. There's no bolts or screws, it just pulls out. It might take a little muscle to do so.
Current Vehicle: 2004 SVT Mustang Cobra: Born 03/03/2004 #2882 of 3768
Previous Vehicles: 2002 Mustang GT & 1998 Mustang GT