The new UK Thundersport Championship started for Team Irwin over the weekend.
Kilmacrennan brothers Caolan and Rhys have stepped up in bike power for 2017 and its proved to be a seamless switch after the opening round at Brands Hatch.
On his first day on the R6 bike, Caolan qualified 18th in the 600 Elite Championship, but the 17 year old would go on to finish 3rd, taking a podium place with an unbelievable ride during the race.
Younger brother Rhys, who's recovering from a broken leg has moved up to the 450 championship for 2017 and last year's Irish Champion had a solid ride in finishing 5th.
The next round is on the final weekend of March at Donnington Park.