I wont a 6" port and tund to 35hz with a box size of 2cf when I put that info in this calculator http://www.carstereo.com/help/Articles.cfm?id=31 I wood need a 6" port that is 26.71" long but that does not take the port and the sub out of the totle box size can you guys help my sub tackes up .08cf of space but how muthc space dos a 6" pece of pvc 26.71" long tack up and do I add both of thes to the 2 cf box //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif