New York have capped their return to championship hurling by clinching the Lory Meagher Cup title for the very first time.
Croke Park goals from Man of the Match David Mangan, who finished with 1-07, Dara Walsh, AJ Willis and Tomas O'Connor propelled the Exiles to a landmark win.
New York only returned to hurling's fifth tier last weekend, beating Monaghan at the semi-final stage, having not previously played in a championship here since 2006.
Former Galway star Jonathan Glynn scored two points, the same as he did against Monaghan, and lifted the cup as captain, roaring 'New York abú' from the steps of the Hogan Stand.
The goals were the difference on the day and left Cavan with a mountain to climb after falling 11 points behind early in the second half.
The Breffni took consolation from a strong finish with two final-quarter goals themselves to push New York all the way.
It was Cavan's first final at the grade, since losing to Fermanagh in the 2021 decider.
They returned to Croke Park with 11 starters from that final four years ago in their matchday squad.
But while they were desperate to redeem themselves, and qualified for the final with a group game to spare, they ran into a high quality New York side.
Richie Hartnett's men led by 3-11 to 0-13 at half-time having opened up with some terrific hurling at times.
Glynn was the big draw and while he wore number 10, the big attacker started at full-forward, pinching a 14th-minute point.
But it was a huge team performance overall with Adam Loughlin Stones and Galway native Mangan combining time after time.
They struck eight first-half points between them while O'Connor, Willis and Walsh swooped for the goals.
Portroe man Willis struck 1-08 against Monaghan and maintained his good form though Walsh's goal before half-time was the pick of the bunch with Loughlin Stones assisting.
Cavan had their moments and struck neat points from Kilkenny men Canice Maher and Nicky Kenny. Free-taker Liam O'Brien fired over five first-half points.
But they were overwhelmed by the scoring power of New York who continued to go for goals after the restart.
Mangan hit the net from a penalty and while Conor Hammersley and Walsh were denied by goalkeeper saves, Mangan knocked over the resulting two 65s.
With 20 minutes to go, New York led 4-14 to 0-15 and weren't flattered.
Cavan refused to relent and clawed back two final-quarter goals to add some late intrigue.
Kenny flicked home the first after a deflected O'Brien free fell kindly and O'Brien scored the second himself from a penalty after a foul on Keating.
Cavan pushed hard for further goals and Glynn dropped out to midfield to help New York grab a foothold as Cavan rallied.
Ollie Bellew's side reduced the gap to five points but that was as good as it got for them as New York held on.
New York: Daniel Mottram; Eanna Barry, Henry Keyes, James Cronin Rodger; Darren O'Donohue, Daragh Moran, Sean O'Leary Hayes; Tom O'Meara (0-01), Adam Loughlin Stones (0-03); Conor Hammersley (0-01), David Mangan (1-07, 1 pen, 2 65s, 1f), AJ Willis (1-01); Tomas O'Connor (1-00), Jonathan Glynn (0-02), Dara Walsh (1-01).
Subs: James Bermingham for Moran (27), Gerard McPartland for O'Meara (52), Aidan Organ (0-01) for O'Connor (55), Brian McPartland for Barry (57), Darragh Hynes for Walsh (71).
Cavan: Conor Gallagher; Shane Briody, Enda Shalvey, Stephen Sheridan; Dillon Mulligan (0-01), Cillian Sheanon (0-02), Matthew Hynes; Canice Maher (0-01), Jack McGuinness (0-02); Liam O'Brien (1-07, 1 pen, 6f), Eamon Og McAllister (0-01), Colm Sheanon; Nicky Kenny (1-01), Sean Keating (0-01), Jack Barry.
Subs: Tomas Leonard for McGuinness (45), Diarmaid Carney for Hynes (51), Mark Moffett for Barry (60), Daniel Martin for Briody (66), Rian Delaney (0-01) for Mulligan (66).
Referee: Kevin Parke (Antrim).
