Some version of that question lands in my inbox multiple times each week.
I get it: you want to know which saxophone mouthpiece will make you sound like your hero(s). I did the same thing when I was starting out. I actually took the CD of Joshua Redman’s Wish into my local music store in Jacksonville, FL and asked the dealer what mouthpiece was in the picture on the back. And could I please have that one?
My students know the detailed answer from my video on The Greatest Mouthpiece in the World [private].
In short: gear is (almost) meaningless. Provided it works.
Here I am playing a generic mouthpiece on a $500 Conn:
What matters (along with fundamental tone-production exercises) is the sound you have in your head (and to an extent, gear that supports that concept). But without the concept, the gear is meaningless.
Branford Marsalis has wonderful words of wisdom on what is REALLY responsible for changing your sound in this fantastic master class (around 3:40 mark):
Want to go deeper? Check out my virtual studio.