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GTR-X 300 July 13, 2026

Sea-Doo GTR-X 300 Tuning: Stage 1 to 3 for the 300HP

From a pure software flash to Stage 3 with titanium retainers and a larger supercharger...

GTR-X 300 July 13, 2026

Sea-Doo GTR-X 300 Tuning: Stage 1 to 3 for the 300HP

From a pure software flash to Stage 3 with titanium retainers and a larger supercharger...

M-JET POWERSPORTS – software tuning for Sea-Doo and diagnostics for Sea-Doo, Can-Am and Yamaha WaveRunner. Everything runs through the diagnostic port and is controlled from your smartphone, no laptop needed and ready in minutes. The M-JET Flasher adds power to all Sea-Doo Spark models as well as the RXT-X, RXP-X, GTR, GTI, Wake, GTX and other Sea-Doo models. The M-JET Modules extend the system, for example with temperature and display functions. M-JET DIAGNOSTIC is the diagnostic tool for Sea-Doo, Can-Am and Yamaha WaveRunner: read and clear fault codes, view live data, run service resets and service functions, including key programming on BRP vehicles.

All trademarks, brand and product names (e.g. BRP, Sea-Doo, Can-Am, Ski-Doo, Lynx, Rotax, Yamaha) belong to their respective owners and are used for identification purposes only. M-JET POWERSPORTS is not affiliated with, endorsed or sponsored by these or any other manufacturers. Use at your own risk.

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Sea-Doo GTR-X 300 Tuning: Stage 1 to 3 for the 300HP

Sea-Doo GTR-X 300 Tuning: Stage 1 to 3 for the 300HP

LEGAL

Models

MISCELLANEOUS

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Sea-Doo GTR-X 300 Tuning: Stage 1 to 3 for the 300HP

Sea-Doo GTR-X 300 Tuning: Stage 1 to 3 for the 300HP

LEGAL

Models

MISCELLANEOUS

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