it is a brand new 3 piece set. i bought from jspec22 off of h-t and i never used it. i paid 170 or 190 for it. i will let it go for 135 shipped. i deleted most of myu pics so i will have to get some more. i will post them up later..comes with couplers and standard worm-style clamps. all brand new. the inside is 2.25" and the outside is 2.40"