need help with pvc aeroports

[juanl 0]

im looking if you have some photos of pvc tube with aeroport im looking forward to prove this on my car thanks i have some photos and i wanna see if you have som more for the experiment thanks

something like this but i want to put 3 aeroport per pvc tube some smaller aeroport to check if this is better than sealed pvc ohh its for 15 RE XXX