They have the 3-point triangular mount. Most standard 6.5" use a smaller diameter 4-point mount that doesn't work very well.
MOST IMPORTANT - the Infinity Gold speakers are 2 Ohms impedance. Most aftermarket speakers are 4 Ohm. If you put those in it sounds pretty bland. No bass. I learned this the hard way when I thought some component speakers would be good replacements. Ended up going to the stealership to get stock Infinity and it sounds better but not as good as it did new, because I still ended up putting the components in the rear doors.
OEM replacement speakers in the front doors are 2-way woofers, were $57 each at my local dealer.
The rear doors are 3-way, and were $119 each at the dealer, which is why I didn't do that. If you have the 10 speaker with sound bar in the back cargo area, then the rear doors are also the 2-way $57 jobbers.
If I had to do it again, I would have just bought 4 x OEM 2-ways.
I'm no stereo expert so hopefully someone else can chime in with another solution.