OEM Audio Plus has updated their offerings for the FRS/BRZ/86 to now only include the door 6.5's and tweeters in the dash. The rest of the speakers are left stock and "optimized" (some of filter perhaps?).
https://oemaudioplus.com/product/86-brz-fr-s/
I really wanted to do this, but for that money it just no longer seems worth it when you're not even replacing all of the speakers. Can you build a good solution for $1600? I guess the brackets and wiring are the biggest issue to overcome? Anybody got templates for 3D printing perhaps?
Thanks,