I would never try to cheat emissions, but IF I DID, I would have installed this:
https://www.fortluft.com/fortluft-o2...ler-90-degree/
A "friend" verified they never remove their DP back to stock now and never throw CEL. Just remove the tune back to stock, verify with OBD monitor, and go in for the inspection.
That particular 90° defouler is OOS, but there is enough room for the straight bung. Probably well worth the hassle of changing DP every year