The deflector in the airbox I’m going to leave it there.
You are right in everything you mentioned.
However this routing and piping is the best I could come up with what hoses etc are available and being able to make it physically fit.
Ideally...
G082503 from Donaldson is what I used.
But there’s others variants aswell. They’re available with a 90 degree outlet wich is way easier, but I couldn’t source this one locally.