Hi, I am looking for a special air duct and was wondering if anybody knows where to get this design from, or if it even exists??

I have one air duct in the image, but require one with the in/out 75mm hole parallel to the mounting flange.
So one going in the same position as the blue arrow.

Cheers Gareth
Rescued attachment REVOTEC_SIDEAIRDUCT 2.JPG

Just google naca duct, there must be millions of people seeling them and even more designs!

LINK