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Sea-Doo 300 Stage 1 ECU Flash
Sea-Doo 300 Stage 1 ECU Flash
Our Price: $399.00

Unleash the power and performance of your Sea-Doo 300 watercraft and gain 7+ MPH top speed, for only $399!

This Stage 1 ECU Tune service enhances top speed, acceleration, boost pressure, throttle response, and fuel efficiency by removing the factory performance restrictions and optimizing the fuel and ignition map in your Sea-Doo 300 ECU module. No other changes are required.

Compatible with all Sea-Doo 300 HP models 2016 to present (RXP-X, RXT-X, GTX 300 series watercraft).

An additional one-time future re-programming to your ECU is also included with your purchase! The future re-programming can be used to upgrade this Stage 1 ECU tune or to set your tune back to stock factory parameters. Beyond that, any tune changes to your ECU are only $20 + return shipping to you.


Minimum 93 octane fuel required for maximum performance and reliability.

Typical turn around time is 1 day. Programming is done in-house. We will send the address for mailing in your ECU once you place your order. Standard return shipping is included to the USA. International shipping or express shipping will be billed at applicable rates. Please email us with any questions.
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