https://progressiveparts.com/product/maxton-design-spoiler-cap-nissan-370z-2009-2012-ni-370-cap1?utm_term=&utm_campaign=PP+-+Smart+Shopping&utm_source=adwords&utm_medium=ppc&hsa_acc=6631320648&hsa_cam=10263358788&hsa_grp=108097262131&hsa_ad=440787028457&hsa_src=u&hsa_tgt=pla-394776114124&hsa_kw=&hsa_mt=&hsa_net=adwords&hsa_ver=3&gclid=EAIaIQobChMI6J62odeI-AIVUY1oCR0ygQN1EAQYByABEgLxZfD_BwE
I know a couple of members a few years back had the 350z one. If you go to the site and search they may or may not still do them , however you have done a good job fabricating your own so credit to you .