Looking for mercury verado 400hp ECU

[geo]

Hello everyone. I have a mercury verado 350hp L6 2600cc and i want to make it 400hp .,if i buy the 400hp ECU will make,i need to change somethingelse ? I mention th
at in the documents it is 350/400hp.

 

[bor]

Mercury L6 2.6 400 HP 400R ECU Tune License

Mercury L6 2.6 400 HP 400R ECU Tune License Maximize the performance of your Mercury L6 2.6 400 HP 400R with our advanced ECU tuning solution. Designed for high-performance boating, this upgrade allows you to boost your engine’s output, enhance acceleration, and unlock its full potential with...

bjt.nu

I have been told there s a company in sweden that can flash your ecu