Amageza project and GS800 30 Year edition for sale

I am building a KTM500 6 days for the Amageza and looking for a big tank that fits over the rear fender that hold +-8.8L if anybody have one or know where I can buy one Freedom Rally Racing install them on all the KTM bikes they build for Rallye and Dakar. I also have a GS 800 limited edition 30 years with all the extras for sale. Acrapovic pipe, alum bash plate, full set panniers with bags inside, progressive front susp, high screen, heated grips, abs, tank bag etc with 8000km and service record at BMW.
Please help I am new to the forum.