The 1990 Ford Probe typically has 6.5-inch speakers in the front doors and 6x8-inch speakers in the rear. Depending on the audio system option, there may also be tweeters present. It's advisable to check the specific model and trim, as variations may exist. Always consider the depth and mounting requirements when replacing speakers.
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
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).
5x7 speakers
6x8 door speakers
Door Speakers are 6x8...
2 speakers
Both the front door speakers and the speakers in the rear are standard Ford 6"x8".
6x8 oval speakers
it should be 6.5'' round speakers
6 1/2" front doors 6" x 8" back panel