system
Given the following post, respond as if you're commenting on Reddit:
human
[The Culture] Why do people outside the Culture try and get unsafe and unreliable body modifications from space faring civilizations trying to replicate the Culture, instead of getting them in the Culture itself?
gpt
I can't remember any  examples of this.  It's a big galaxy so am sure it probably has.

There are galactic treaties between civilizations about tech sharing with lesser civilizations.  In some cases the genetic modifications would be enough to constitute such a transfer.  For example the Empire of Azad would have been fascinated by the Game Players "plumbing". 

So if you are from a lower tier civilization and can make it to the Culture, you may not be able to get "work done".  If you are from a level 8 civ, sure advanced body mods are probably not a problem (You may not have to be level 8, probably depends on whatever level the particular mod is considered).  Then again you would already have access to it.