CBR1000RR Stainless steel manifold
New and unused. Purchased from MK Sports cars. Cost £449.99
https://www.mksportscars.com/parts/exhausts/stainless-steel-exhaust-system-including-4-2-1-manifold-silencer-tail-pipe.html
£350.00 Including postage
[Edited on 31/10/19 by Elmof1]
I'm possibly interested but am out of the country until the start of next week. I'll send you a message then.