[9] Following Wasps's expulsion from the league due to their administration, Feyi-Waboso was signed by Exeter Chiefs.
[11][12] In April 2024, he set a new record in the Champions Cup having beaten 13 defenders in Chiefs round of 16 fixture against Bath, the most any player has managed in a single Champions Cup fixture since records began for the competition in 2009.
[16] In December 2024, he scored from a cross-field kick in the club's opening fixture of the 2024-25 European Rugby Champions Cup in a 39-21 away loss to the Sharks.
In November 2024, he made his Autumn Nations Series debut scoring a try against New Zealand in a narrow 24-22 defeat at Twickenham.
[22][23] Having scored five tries in eight international appearances, he was shortlisted for the 2024 Breakthrough Player of the Year before losing out to Wallace Sititi.
[25] Born to Nigerian parents in Llandaff, Wales, Feyi-Waboso attended Corpus Christi High school.
[26] During the 2024 Six Nations, he missed a three day training camp with England to complete a face-to-face exam as part of his studies.