Gunter played in all 12 of Coastal Carolina's games as a freshman. He became a starter going into his sophomore season and was named first-team All-Sun Belt Conference after recording 49 tackles and 14 tackles for loss.[2] Following the end of the season, Gunter left the program and transferred to North Carolina State in order to be closer to home. After sitting out one year due to NCAA transfer rules, he opted to transfer back to Coastal Carolina.[3] In his first season back with the Chanticleers, Gunter was again named first-team All-Sun Belt after finishing the year with 58 tackles, 12.5 tackles for loss, and 6.5 sacks.[4] He was named second-team All-Sun Belt as a redshirt senior.[5]
Gunter was selected by the Cincinnati Bengals in the seventh round (252nd overall) of the 2022 NFL draft.[8][9] He took the bulk of his snaps with the team on special teams, and would finish the regular season with one assisted tackle. He was a healthy inactive for all three of the Bengals' playoff games.[10]
Gunter was waived by the Bengals on August 29, 2023, and re-signed to the practice squad the following day.[11][12] Following the end of the 2023 regular season, the Bengals signed him to a reserve/future contract on January 8, 2024.[13] He announced his retirement from the NFL on August 14, 2024.[14]