Yes you can, Change the port lentgh just like you change the rest of the specs it changes the tuneing.//content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif//content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gifonly deal is.......it tells you the tuning your at.....you cant choose it.
its great if you make a port thats too long to fit in the enclosure, cos then it just sticks out the side... HAHAHA!!!