Cat back exhaust for s14

How ya now have a really nice condition cat back exhaust for an s14 . It's 3 inch from the cat back to the silencer then 4 inch from the silencer to the back box and a 4.5 inch tip on the back box the make is unknown but its in good condition looks to be well made and very good fitment I'm looking for 150 o.n.o or will swap/px for a boost controller I can be contacted here or on 0876464329 cheers Owen
http://i566.photobucket.com/albums/s...9/image-17.jpg

http://i566.photobucket.com/albums/s...9/image-18.jpg

http://i566.photobucket.com/albums/s...9/image-19.jpg

Open to offers and will part exchange for a boost controller