LOL, sorry no. I just dont think the advanced aerospace field is looking to build purple rockets.
I have been trying to figure where everything goes, what a pain.
Here is a before shot of the rear fan mount
Here is a after shot of the rear fan mounted (still needs to be modded but you get the idea)
Usually in mods the exhaust fans are just thrown on with little though to their looks /function. I think this helps with both.