You are correct, and that's the trend especially in younger generation.
I discussed that with some Japanese friends.
Car price and the Maintenance fees are much more expensive than 90's, metro and bus are so convenient in Japan, most of young Japanese ppl don't want to spend that much money on...
The MSRP is terrifying JPY 340,000 (USD $3,129)
https://www.trdparts.jp/product/supra/price.html
and the installation requires to cut and reuse the original mid pipe:
https://www.trdparts.jp/manual_pdf/supra/MS153-14001-2.pdf
AC Schnitzer performance upgrade is a piggyback, you will get 400 hp and 600Nm with it.
https://www.ac-schnitzer.de/en/ac-schnitzer-performance-upgrade-for-toyota-gr-supra.html
I was considered it for my MY21 until I heard the price. It's about $5200 here.
Honestly, I would rather buy Akrapovic...
Just got mine installed today, it fits even better than the OE parts, amazing!
(the OE parts leave small gap to put your fingers to remove it, but the Supra Star ones don't need it)
http://www.tomeiusa.com/?p=16002
PART No.
PRODUCT NAME
MSRP(USD)
TB6090-TY06A
FULL TITANIUM MUFFLER KIT
EXPREME Ti GR SUPRA TYPE-R
$1,390.00
TB6090-NS06B
FULL TITANIUM MUFFLER KIT
EXPREME Ti GR SUPRA TYPE-D
$1,690.00
Note: It does NOT support active valve.
I'm! Please share the details.
I checked the product page, it looks like made for EU spec with OPF, does it fit US spec too?
https://www.ac-schnitzer.de/en/toyota/toyota-gr-supra/toyota-gr-supra/engine/performance-upgrade-petrol/ac-schnitzer-performance-upgrade-for-toyota-gr-su