I have a 2017 GP1800 ECU (only works for this exact year) that was flashed by the Goat himself, Dean, and is for a mostly stock boat with a intake and prop (13/18 works best). It's an 8700 rpm tune and my boat ran 84 in the summer heat with this flash. text me if your interest as I have it for sale on several other places. 239seveneightfour 1301

$500 firm