The job is done, here is my perspective. First of all, what an fn rip-off!

My somewhat practical experience reasons that parts and labor to make these "quiet baffles" is about $14. They sell for $89, and it's a chit job... The baffles are wrapped with a 1/4" of fiberglass matting. Mine were wrapped one and a half times around. This is way too thick to force into the tailpipes.. A great idea, but dumbass construction. My resolve: I removed the plastic wrapping. I cut about 6" off of the fiberglass wrap so that it just overlapped itself on the baffle. I then used stretch plastic wrap, the kind they sell at U-Haul (for wrapping furniture) to re-wrap the fiberglass tightly around the baffle. Then, I used electrical tape. I used it just behind the first cup of the baffle, being sure it stuck to metal and then onto the plastic wrap, ensuring a good grab where the fiberglass first enters the pipe. I finished it off with a very light application of red and tacky grease.. very light, to lube its entry.
I then hammered them in and everything worked.

My pipes now sound like they should, the nasty, raspy, annoying noise is gone. They are still every bit as loud, best as I can tell; but they now sound deep and throaty. It's kind of like the difference between a two speaker stereo turned up loud, and a stereo system with a sub-woofer turned up just as loud.
If you have the big radius 2 into 2 pipes on your bike, you know exactly what I mean. They are loud for sure, but they sound awful. Get the grossly overpriced "quiet baffles" and you will love the sound of your pipes.
As to the long-term effect, I will report on this in 6 months. Ride free and keep your feet in the wind.
Richard out...