I guess I can drop in...
I have a BNR S4 v3. Been on the car since Dec 2018, about 45k miles now, 90k miles on original OEM engine, tuned by Rob @ Hypnotic at the time.
I was on the fence between the BNR s4, Garrett 3067, and even the efr 7163. For my own reasons went with S4.
Lag over k04...