Hi Not my offer, don't know the seller. https://www.ebay-kleinanzeigen.de/s-anzeige/ferrari-599-gto-katalysator-verwerter-/1635436304-223-20849 Fabio told me, that these must be cutted from the headers, because the GTO has 1 piece headers and cats. seller writes : sell to recovery dealer also (so perhaps a fair price). Perhaps someone can need them. Daniel