A 97 Ford Probe GT uses standard 9 inch size speakers. Owner's can upgrade these to larger or more powerful models as needed.
HI according to crutchfield.com you should have 4X6" speakers in the rear and 4" in the front hope this helps
a two inch one
5x7 speakers
Depending on what year model 1990-1999 is either 6x8 (5x7 is the same thing) or 6.5". The 1996 Ford Ranger XLT model the front and rear speakers are 6x8(5x7).
Door Speakers are 6x8...
2 speakers
6x8 door speakers
Both the front door speakers and the speakers in the rear are standard Ford 6"x8".
it should be 6.5'' round speakers
6x8 oval speakers
6 1/2" front doors 6" x 8" back panel