look at the speaker it will tell you what size it is
You don't need to cut the wires at all, I just got mine installed in 5 minutes with the adapter speaker plug, you can get them from Amazon or eBay for 16 bucks. You save a lot of time and you don't mess up the wire system of your car with the black tape and stuff.
Size for a rear speaker in a 95 Nissan maxima
what size are the front and rear speakers for a 2003 pajero
Front Speaker Size- 4"x6" and Rear Speaker Size- 6"x9"
6x9
6x9
Stock rear speakers are 6 1/2" round speakers.
6 and a halfs
6.5 inches
6.5" front 6x9" rear
5.25 inch
6.5"
5 1/4