I have a couple parts from my 05 gsxr 750 for sale. I will try to get pics soon if someone is interested.

-Yoshi Stainless slip on. Has a couple small dents and minor scratches. Would be a great track exhaust or even street if you aren't a perfectionist. May also fit 600, I don't know. $200 OBO

-Gas Tank- fairly dented on the top/ top edge. Some surface rust from being outside for a couple hours the other day. Will easily come out when it is sanded for paint. Structurally sound, just not pretty. Again, a great track item. $100 OBO