Sir, you are like a dog after a bone, relentless!
Extremely impressive effort and results, I'm (almost) speechless.
While I'm not a big wide-body fan, I'm surprised you're thinking stock body now unless your taste has truly changed.
Yes, the clock is ticking and the calendar is moving but unless you're exhausted or can't fit your kit, you've come this far, why punt now?
Also, same question as Dr. Frank, wondering about the heat sink muffler, so many better options.