port noise

I'm looking to put a port in my box. I have approximately 1.51 cubic feet of airspace, would a 3" external port tuned to 32 hertz have port noise? And I'm also building a box for a friend, and am using an aeroport for his as well. He has 1.8 cubic feet after woofer displacement. Would a 3" port...

I noticed what I think is referred to as "port noise" today. I went to inspect it while I let the sub do it's thing, and I thougtht one of the panels or something was rattling, but I figured out it was the port making the noise. It almost sounds like a plastic bag was placed near the port or...