I wasn't thinking of using them for ports, they would probably make a pretty good flare mold //content.invisioncic.com/y282845/emoticons/up2something.gif.dd110ecf3ae4b76050d87598f2f8de7c.gif PVC softens a whole lot cooler than that smooth, perfectly shaped metal flare ever will. And 10' of 6" PVC is $11 and 4" is $9 //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif