I've got an ATR stainless 3 piece pipe, elbow, downpipe and testpipe. It has been on the shelf, designated for a little project of mine. BUT, in order to use it, I have to "modify" it slightly. I don't know if I can bring myselft to do it to an ATR pipe for a TTA. If I sell it, I'll need something to replace it - maybe something I won't feel guilty for "modifying."