Sea-Doo / Rotax 1630 ACE 300

Sea-Doo RXT-X 300 / GTX Limited 300 2018-19 Stage 3

Stage 3 kit for RXT-X 300 / GTX Limited 300 2018-19.

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Quick look

FitsRXT-X 300 / GTX Limited 300 2018-19

InstallAdvanced

Build checkIncluded

Expected performance gains

Simple stage snapshot

In stock - ships today

StageHP GainTop SpeedBest For

Stage:Stage 3HP Gain:ConfirmedTop Speed:Setup dependentBest For:Serious builds.

What you get

The main parts. The right add-ons.

Core package

Stage-matched intake
Exhaust/waterbox upgrade
Cooling upgrade

Smart add-ons

Catch Can Kit
Tune/fuel check
Build review

Build check included

We check the parts before you buy.

Fits these skis

Year	Make	Model	Engine	Notes
2018-19	Sea-Doo	RXT-X 300 / GTX Limited 300	Rotax 1630 ACE 300	Verify trim and mods before ordering.

Install difficulty

Easy

Intermediate

This kit

Advanced

Dealer/tuner recommended

Instruction ManualsOpen GT40 install guides

Setup note

Send us your ski and goal. We will confirm the package before you order.

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Disclaimer / warnings

Performance results vary based on setup, rider weight, fuel, elevation, weather, water conditions, installation quality, and supporting modifications. Ask a tech before ordering if the setup is unclear. Some parts may affect factory warranty or emissions compliance.