High end car system

Dome of silence, Max

Battery power. Pneumatic and spring isolation. No crossovers. That’s a good start. 🤗

I think you're spinning your wheels.   I have a very high end system in my car made by Burmeister.  It sounds real good only at traffic lights....as soon as I drive off the engine/tire noise swamps whatever delicacy, high end sound it had at the light. 

My daily driver is a 07 civic si and I am also starting an Acura ilx.

@OP, your link doesn't work.
What car are you working on?
Bob

I will look into it I was debating on ribbons for the pillars and thiel mids 

Have you experimented with placement of
SR HFTs and Bybee QSEs in your car?
There are posts on applications of these units in cars.

You may start, modestly, with one HFT on your windshield,
a few inches under the base of your rear view mirror.
I have a QSE suspended by a 6" piece of wide, clear tape.
This way, the piece covers the radio but does not interfere
with cd insertion/removal.  The top of the tape secures it
to the dash.

I also use a Walker Talisman around the face of the radio and
the speakers, and the cd, too.

See if these can make a difference for you.

http://https//purawphotography.wixsite.com/projectpuraw