Whakaotihia te rerenga e whai ake nei: I te 21 o Paenga-whawha 2017, i hainatia e Kaufusi tana kirimana me te Storm ki te mutunga o te waa 2019. I te 6 o Mei 2017, i purei a Kaufusi mo Tonga ki a Fiji i te Whakamatau mo te Moananui a Kiwa 2017, i te wa i tiimata ai ia i te rarangi tuarua i te wikitoria 26-24 i Campbelltown Stadium. I roto i te wa, Kaufusi tangohia ake i te wāhi rua-raina kau i te haere Kevin Proctor a ka mau ia i te whai wāhitanga e rua ringa, me te i āwhina hoki te Storm ki to ratou rere ara ake ki te raupapa Finals te wahi i ratou te toa o te Minor Premiership tohu. I te 1 o Oketopa 2017, i te 2017 NRL Grand Final a Storm ki nga North Queensland Cowboys, i tiimata a Kaufusi i te rarangi tuarua ka eke ki te wikitoria 34-6. Kua oti i a Kaufusi tana rerenga
I te tau 2017 NRL me ia e takaro ana i nga tukinga 27 katoa o te Storm me te eke i nga whakamatautau e 9. I te 3 o Oketopa 2017, e rua nga ra i muri i te wikitoria o te Whakamutunga Nui, i whakawhiwhia a Kaufusi ki te kowhiringa i roto i te roopu 24-tangata Kangaroos mo te Ipu o te Ao Rugby League 2017. I te 3 o Whiringa-a-rangi 2017, i tiimata a Kaufusi mo Ahitereiria ki France, i reira i takaro ai ia i te papa whakawhiti i te wikitoria 52-6 i Canberra Stadium.