what are the sizes of the stock speakers in a 88 Mustang GT the back ones look to be 5x7s but im not sure about the doors and the dash. i want to replace them with better speakers just dont know what sizes to get.

 

crutchfield.com will confirm it but I believe 5.25 in the doors, 3.5 in the dash, and 5 x 7 in the rear.

 

3.5 in the dash is correct, stock doors are 5.25 but i get 6.5's in there well, and rear is 5x7 or 6x8 (same thing)