Another successful tune on a 2018 Edgewater 320 with twin 4.2L V6 300's tuned to 332HP with the @nizpromarine tune. Overall 14.1% fuel savings on gallons per hour across all RPM range with 16-20% in the 4500-5000 range. The increased torque gave this boat a different feeling and top end up to 55.5MPH. Contact @suncoastoutboardtuning to change your boating experience. #nizpromarine #edgewaterboats #yamahaoutboards #suncoastouboardtuning #sarasotaboating #floridaboating #offshore #offshorefishingcharters #offshorefishingboat