hispls 5,000+ posts
CarAudio.com Veteran
Anywhere really. For port to function efficiently and predictably you should keep a port width away from each opening and pretty much anything. Obviously we can cheat here and there and never notice the effects but every time you try to crowd the port results will be unpredictable and you're sacrificing some efficiency.On the inside? I was going to twist the port counterclockwise just a bit.. to point that inner flare towards the corner little bit. So the opening is not that's close to the wall